A Complete Guide to a Whiter Smile

If you’ve ever wondered, how does teeth whitening work?, you’re not alone. Teeth whitening is one of the most popular cosmetic dental treatments worldwide — and for good reason. It’s a safe, non-invasive way to dramatically improve your smile and boost your confidence.

In this guide, we’ll explain exactly how teeth whitening works, what causes stains, the different whitening methods available, and what results you can expect.

What Causes Teeth to Become Stained?

Before understanding how teeth whitening works, it helps to know why teeth become discoloured in the first place.

Teeth stains generally fall into two categories:

1. Extrinsic Stains (Surface Stains)

These stains affect the outer layer of the tooth (enamel) and are caused by:

• Coffee and tea
• Red wine
• Cola and dark soft drinks
• Smoking and tobacco use
• Highly pigmented foods

2. Intrinsic Stains (Deeper Stains)

These occur inside the tooth structure (dentin) and can be caused by:

• Ageing
• Certain medications
• Trauma to the tooth
• Fluorosis

Professional teeth whitening is designed to target both types of stains.

How Does Teeth Whitening Work?

Teeth whitening works through a chemical reaction that breaks down stains into smaller, less visible particles.

Most whitening treatments use one of two active ingredients:

• Hydrogen peroxide
• Carbamide peroxide (which breaks down into hydrogen peroxide)

The Science Behind Whitening

When the whitening gel is applied to your teeth:

1. The peroxide penetrates the enamel.
2. It reaches the dentin layer beneath.
3. Oxygen molecules break apart stain compounds.
4. Large, dark-coloured molecules become smaller and lighter.
5. The teeth appear whiter and brighter.

This process is called oxidation, and it’s completely safe when performed correctly.

Professional vs At-Home Whitening: How It Works Differently

In-Clinic Professional Whitening

Professional whitening treatments use higher-strength whitening gels applied by trained providers. Some systems may also use LED light technology to enhance the whitening process.

Benefits include:

• Faster results (often in one session)
• Even whitening
• Safer application
• Reduced risk of gum irritation

Take-Home Whitening Kits

Custom take-home kits use lower-concentration peroxide gels in fitted trays. The process is the same chemically, but results develop gradually over 1–2 weeks.

This option is ideal for:

• People with mild to moderate staining
• Those who prefer gradual whitening
• Maintaining professional results

Does Teeth Whitening Damage Enamel?

One of the most common concerns is whether whitening harms your teeth.

When performed correctly, teeth whitening:

• Does not remove enamel
• Does not weaken teeth
• Is considered safe by dental professionals

Temporary sensitivity can occur because the peroxide temporarily opens the pores in enamel. This usually settles within 24–48 hours.

How Long Does Teeth Whitening Last?

Results vary depending on lifestyle habits. On average:

• Professional whitening can last 6–18 months
• Avoiding staining foods and smoking extends results
• Regular maintenance treatments help keep teeth bright

Drinking through a straw, rinsing after coffee, and maintaining good oral hygiene can significantly prolong your whitening results.

Who Is a Good Candidate for Teeth Whitening?

Teeth whitening works best on natural teeth with yellow-toned staining. It may be less effective on:

• Crowns
• Veneers
• Composite bonding
• Grey-toned stains

A consultation helps determine if whitening is right for you.

Final Thoughts: How Does Teeth Whitening Work?

So, how does teeth whitening work? In simple terms, it uses peroxide-based gels to break down stain molecules inside your teeth, making them appear whiter and brighter. The process is scientifically proven, safe when performed correctly, and highly effective for most people.

If you’re looking to enhance your smile, professional teeth whitening offers fast, noticeable results with minimal downtime.

A brighter smile is often just one treatment away.

Professional In-Clinic Teeth Whitening Auckland

iSmile Professional In-Clinic Teeth Whitening Auckland offers the most developed, safe and gentle teeth whitening system available on the market today!  iSmile Auckland Teeth Whitening Practitioners are fully qualified and registered members of the New Zealand Cosmetic Teeth Whitening Association (NZCTWA).  Check out iSmile Teeth whitening treatment options.

Contact us today to schedule an appointment! 

Learn more about Professional In Clinic Teeth Whitening Auckland

Follow iSmile on Instagram and Facebook

Go straight to iSmile Online Bookings

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If you’re currently straightening your smile, you may be wondering: Can I do teeth whitening with Invisalign? The short answer is yes — but timing and technique matter. Combining teeth whitening with clear aligners can help you achieve straighter teeth and a whiter smile at the same time, when carried out safely and correctly.

In this article, we’ll explain how teeth whitening with Invisalign works, when to whiten, and what you should consider before starting.

What Is Invisalign?

Invisalign is a clear aligner system designed to gradually straighten teeth without traditional braces. The removable, custom-made aligner trays are worn for 20–22 hours per day and changed every 1–2 weeks as your teeth shift into alignment.

Because the aligners are removable, many patients ask whether they can also use them for teeth whitening.

Can You Whiten Your Teeth While Wearing Invisalign?

Yes, you can whiten your teeth while using Invisalign — but it depends on your stage of treatment.

There are generally three options:

1. Whitening During Invisalign Treatment

Some patients use professional whitening gel inside their aligner trays. Since Invisalign trays fit snugly against your teeth, they can act similarly to custom whitening trays.

However, there are important considerations:

• Aligners are thinner than professional whitening trays
• Aligners are replaced frequently
• Not all whitening gels are suitable for aligners
• Tooth sensitivity may increase during orthodontic movement

If you’re considering whitening during treatment, always consult your dental professional first.

2. Whitening After Invisalign Treatment (Most Recommended)

The best time for teeth whitening with Invisalign is usually after you finish treatment.

Why?

• Teeth are fully aligned
• Whitening results are more even
• There’s no risk of uneven colour from teeth shifting
• You’ll have your final retainers, which can sometimes be used as whitening trays

Whitening after Invisalign ensures your newly straight smile is evenly bright.

3. Whitening Before Invisalign

Some patients choose to whiten before starting Invisalign. While this can give a confidence boost, teeth may slightly shift during treatment, potentially affecting uniform colour.

For most people, whitening after treatment delivers the best long-term aesthetic result.

Benefits of Combining Teeth Whitening and Invisalign

If done correctly, combining Invisalign and professional teeth whitening offers several benefits:

• A straighter and brighter smile
• Boosted self-confidence
• Enhanced final cosmetic results
• More efficient smile transformation

Patients often feel that whitening completes their smile makeover once orthodontic treatment is complete.

Is It Safe to Whiten Teeth with Invisalign?

Yes — when supervised by a dental professional.

Professional whitening products are formulated to minimise sensitivity and protect enamel. Over-the-counter or DIY whitening products can cause uneven whitening, irritation, or increased tooth sensitivity — especially while teeth are moving.

If you’re undergoing orthodontic treatment, it’s important to:

• Use dentist-approved whitening gel
• Avoid abrasive whitening toothpaste
• Monitor sensitivity levels
• Follow professional advice

Will Whitening Damage Invisalign Aligners?

Whitening gel itself won’t usually damage aligners, but:

• Staining foods or drinks can discolour trays
• Some gels may cause cloudiness
• Poor cleaning can lead to build-up

Maintaining good oral hygiene is essential during Invisalign treatment — especially if whitening at the same time.

How Long Should You Wait to Whiten After Invisalign?

Most dental professionals recommend waiting a short period (often 1–2 weeks) after completing Invisalign before starting whitening. This allows teeth to settle and reduces sensitivity.

Your dentist can advise on the best timing based on your individual treatment.

Final Answer: Can I Do Teeth Whitening with Invisalign?

Yes, you can do teeth whitening with Invisalign — but the best results typically come after treatment is complete. While whitening during treatment is possible, it should only be done under professional supervision to ensure safety and even results.

If you’re investing in straightening your teeth, adding professional whitening at the right time can help you achieve the bright, confident smile you’ve been working toward.

Professional In-Clinic Teeth Whitening Auckland

iSmile Professional In-Clinic Teeth Whitening Auckland offers the most developed, safe and gentle teeth whitening system available on the market today!  iSmile Auckland Teeth Whitening Practitioners are fully qualified and registered members of the New Zealand Cosmetic Teeth Whitening Association (NZCTWA).  Check out iSmile Teeth whitening treatment options.

Contact us today to schedule an appointment! 

Learn more about Professional In Clinic Teeth Whitening Auckland

Follow iSmile on Instagram and Facebook

Go straight to iSmile Online Bookings

The post Can I Do Teeth Whitening with Invisalign? appeared first on iSmile Teeth Whitening Clinic Auckland.

The Truth About At-Home Whitening

You’ve seen them on Tiktok and every other trending platform; and left wondering, “Do teeth whitening strips work?” — you’re not alone. Teeth whitening strips are one of the most popular at-home whitening solutions available today. They promise a brighter, whiter smile at a lower cost than professional treatments. But how effective are they really?

In this comprehensive guide, we’ll break down how whitening strips work, their pros and cons, how long results last, and whether they’re the right choice for you.

What Are Teeth Whitening Strips?

Teeth whitening strips are thin, flexible plastic strips coated with a whitening gel. The active ingredient is usually hydrogen peroxide or carbamide peroxide — the same whitening agents used in professional dental treatments, but in lower concentrations.

You apply the strips directly to your teeth, typically once or twice a day for 7–14 days, depending on the brand and strength.

Do Teeth Whitening Strips Work?

Yes — teeth whitening strips can work, but with limitations.

Whitening strips are effective at removing surface stains caused by:

• Coffee
• Tea
• Red wine
• Soft drinks
• Smoking

They can lighten teeth by a few shades when used consistently and correctly. However, they are not as powerful as professional teeth whitening treatments performed in a dental clinic.

What Results Can You Expect?

• Noticeable improvement in 7–14 days
• Teeth may become 1–3 shades whiter
• Best results on mild to moderate staining

If your teeth are heavily stained or naturally darker, whitening strips may not give you dramatic results.

How Do Whitening Strips Work?

The peroxide gel penetrates the enamel and breaks down stain molecules through a chemical oxidation process. This lifts discolouration from the enamel surface and slightly below it.

However, because the peroxide concentration is lower than professional-grade products, the whitening effect is more gradual and less dramatic.

The Pros of Teeth Whitening Strips

✔ Affordable
✔ Easy to use at home
✔ Widely available
✔ Non-invasive
✔ No dental appointment required

For many people, whitening strips are a convenient first step toward a brighter smile.

The Cons of Teeth Whitening Strips

While whitening strips can work, they also come with downsides:

1. Uneven Whitening

Strips may not fully cover curved or crowded teeth, leading to patchy results.

2. Tooth Sensitivity

Peroxide can cause temporary sensitivity or gum irritation, especially if overused.

3. Limited Strength

Over-the-counter strips are weaker than professional whitening systems.

4. Shorter-Lasting Results

Results typically last 3–6 months, depending on diet and oral habits.

Do Teeth Whitening Strips Work on All Teeth?

Whitening strips do not work on:

• Dental crowns
• Veneers
• Fillings
• Bonding

They also don’t correct intrinsic discolouration caused by medication, trauma, or enamel defects.

If you have dental restorations or deep staining, professional advice is recommended before whitening.

Teeth Whitening Strips vs Professional Whitening

Here’s how they compare:

Professional treatments use higher concentrations of whitening agents and custom-fitted trays or advanced whitening systems for more predictable and longer-lasting results.

Are Teeth Whitening Strips Safe?

When used as directed, whitening strips are generally safe. However:

• Do not exceed recommended usage
• Avoid using on damaged teeth or inflamed gums
• Stop use if severe sensitivity occurs

If you’re unsure whether whitening strips are suitable for you, a dental consultation is the safest approach.

How to Get the Best Results from Whitening Strips?

If you decide to use whitening strips:

• Brush and floss before application
• Ensure strips are applied evenly
• Avoid staining foods during treatment
• Follow instructions carefully
• Complete the full course

Consistency is key to achieving noticeable results.

How often should you use teeth whitening strips?

So… Do Teeth Whitening Strips Work?

Yes, teeth whitening strips do work for many people — especially for mild surface stains. They’re a convenient and affordable way to brighten your smile at home.

However, if you’re looking for:

• Faster results
• Whiter teeth by several shades
• Long-lasting brightness
• Even, professional-grade whitening

A professional teeth whitening treatment may be the better investment.

Professional In-Clinic Teeth Whitening Auckland

iSmile Professional In-Clinic Teeth Whitening Auckland offers the most developed, safe and gentle teeth whitening system available on the market today!  iSmile Auckland Teeth Whitening Practitioners are fully qualified and registered members of the New Zealand Cosmetic Teeth Whitening Association (NZCTWA).  Check out iSmile Teeth whitening treatment options.

Contact us today to schedule an appointment! 

Learn more about Professional In Clinic Teeth Whitening Auckland

Follow iSmile on Instagram and Facebook

Go straight to iSmile Online Bookings

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The Truth About Cola and Your Teeth

If you’re a fan of a cold glass or can of Coke, you may have wondered: Does Coke stain your teeth? The short answer is yes — it can. Regular consumption of cola drinks like Coca-Cola can contribute to tooth staining, enamel erosion, and long-term discoloration.

In this comprehensive guide, we’ll break down why Coke stains teeth, how quickly it happens, whether diet versions are any better, and what you can do to protect your smile.

Why Does Coke Stain Your Teeth?

There are two main reasons Coke can stain your teeth:

1. Dark Pigments (Chromogens)

Coke contains dark color compounds known as chromogens. These highly pigmented molecules attach to the enamel surface and can cause visible yellowing or brown staining over time.

The darker the drink, the higher the staining potential — which is why cola, red wine, and coffee are commonly associated with tooth discoloration.

2. Acidic Content and Enamel Erosion

Coke is highly acidic due to ingredients like phosphoric acid and carbonic acid. The acidity:

• Softens tooth enamel

• Weakens the protective outer layer

• Makes teeth more porous

• Allows stains to penetrate more deeply

When enamel becomes thinner, the naturally yellow dentin underneath becomes more visible, making teeth look dull or discolored.

How Quickly Can Coke Stain Your Teeth?

Staining does not usually happen overnight — but it can begin sooner than you think.

• Short term: Temporary surface staining can occur with frequent consumption over a few weeks.

• Long term: Daily Coke drinking can cause noticeable discoloration within months.

• Heavy consumption: Multiple cans per day significantly increase enamel erosion and staining risk.

The combination of sugar and acid also increases your risk of decay, which can further darken teeth.

Does Diet Coke Stain Teeth?

Many people assume diet soda is safer for teeth. While diet Coke does not contain sugar, it is still acidic.

Diet versions like Diet Coke can still:

• Erode enamel

• Increase tooth sensitivity

• Make teeth more vulnerable to staining

So while diet cola may reduce cavity risk compared to regular Coke, it does not eliminate staining risk.

Coke and Enamel: The Hidden Damage

Enamel is the strongest substance in the human body — but it cannot regenerate. Once enamel wears away:

• Teeth appear darker

• Sensitivity increases

• Stains become harder to remove

• Whitening results may be less predictable

Frequent sipping throughout the day is more damaging than drinking it quickly, because it keeps your mouth in an acidic state for longer periods.

Signs Coke Is Staining Your Teeth

You may notice:

• Yellowing near the gumline

• Brown or dark surface stains

• Increased tooth sensitivity

• A dull or less vibrant smile

If you’ve been regularly drinking cola and notice these changes, enamel erosion and staining could be contributing factors.

How to Prevent Coke from Staining Your Teeth

You don’t necessarily have to give it up completely — but moderation and protective habits are key.

1. Use a Straw

Drinking through a straw reduces direct contact with your teeth.

2. Rinse with Water Afterward

Rinse with plain water to neutralise acid and wash away pigments.

3. Wait Before Brushing

Avoid brushing for at least 30–60 minutes after drinking Coke. Brushing immediately while enamel is softened can cause further damage.

4. Limit Frequency

It’s better to drink Coke occasionally rather than sip it throughout the day.

5. Maintain Professional Cleanings

Regular dental cleans help remove surface staining before it becomes deeply embedded.

Can Teeth Whitening Remove Coke Stains?

Yes — in many cases.

Professional teeth whitening can effectively remove surface stains caused by cola and brighten your smile several shades.

However:

• Severe enamel erosion cannot be reversed.

• Deep structural damage may require cosmetic treatments such as bonding or veneers.

• Results last longer when staining habits are reduced.

If you’re investing in whitening, limiting Coke consumption will help maintain your results.

Is Coke Worse Than Coffee for Staining?

Both beverages stain teeth, but Coke has a double impact:

• Coffee: High pigment, moderate acidity

• Coke: High pigment + high acidity

The acidity in Coke makes enamel more vulnerable, which can make staining more aggressive over time.

How does Coke compare to other sodas in terms of teeth staining?

In terms of teeth staining, Coca-Cola (and many similar sodas) can contribute to discolouration — but how much depends more on colouring, acidity, and drinking habits than the brand name itself.

How Coke Compares to Other Sodas

Final Verdict: Does Coke Stain Your Teeth?

Yes — Coke can stain your teeth.

Its combination of dark pigments and strong acidity makes it one of the more damaging beverages for long-term enamel health and smile brightness.

Occasional consumption is unlikely to cause major issues, but daily or frequent intake increases your risk of:

• Surface staining

• Yellowing

• Enamel erosion

• Sensitivity

• Cavities

If maintaining a bright white smile is important to you, moderation and good oral hygiene are essential.

Want a Brighter Smile?

If you’re concerned about Coke stains or enamel damage, professional whitening and preventative care can restore brightness and protect your teeth long term.  Looking after your enamel today means a healthier, whiter smile tomorrow.

Professional In-Clinic Teeth Whitening Auckland

iSmile Professional In-Clinic Teeth Whitening Auckland offers the most developed, safe and gentle teeth whitening system available on the market today!  iSmile Teeth Whitening Practitioners are fully qualified and registered members of the New Zealand Cosmetic Teeth Whitening Association (NZCTWA).  Check out iSmile Teeth whitening treatment options.

Contact us today to schedule an appointment! 

Learn more about Professional In Clinic Teeth Whitening Auckland

Follow iSmile on Instagram and Facebook

Go straight to iSmile Online Bookings

The post Does Coke Stain Your Teeth? appeared first on iSmile Teeth Whitening Clinic Auckland.

Why Dentists and Teeth Whitening Clinics sometimes differ

One of the most common questions I get asked in my Teeth Whitening clinic is: Should I Get My Teeth Cleaned Before Whitening?

Achieving a whiter, beautiful smile is more accessible than ever before with professional in-clinic teeth whitening treatments. However, some dentists insist on teeth being professionally cleaned prior to a teeth whitening treatment. On the other hand, dedicated teeth whitening clinics may say: it’s not always essential to have your teeth cleaned before a whitening treatment.

To answer this question, we need to look at the many aspects involved:

What is Teeth Whitening?

Teeth whiteningis a cosmetic treatment that lightens the natural colour of teeth by breaking down stain molecules inside the tooth, removing stains or discolouration. It’s one of the most non-invasive and affordable ways to improve your smile compared to other more invasive treatments. Teeth whitening Professionals whitening when performed in-clinic does notdamage healthy enamel.

Why get your Teeth Whitened?

Tooth enamel is naturally white, but various lifestyle choices can lead to staining or discolouration over time.

Here are some reasons to think about when considering professional in-clinic teeth whitening:

• Food Stains – Regularly consuming beverages and foods like coffee, tea, red wine, berrie’s with strong colour pigments can stain your teeth
• Aging – As you age, the outer layer of enamel becomes thinner, revealing the underlying layer of dentin, which can discolour overtime
• Poor oral hygiene – Neglecting regular brushing or flossing can result in plaque and tartar buildup which can appear yellow
• Vaping/Smoking and tobacco use – Tobacco can create stubborn dark stains that are hard to remove with regular brushing alone

What is dental cleaning?

A dental clean is a procedure carried out by dentists or dental hygienists to remove hardened plaque and tartar from the teeth that brushing and flossing cannot remove. It typically includes scaling to remove buildup, polishing to remove stains, and flossing.

Key Aspects of Dental Cleaning:

• Scaling – This involves the use of specialized tools, frequently ultrasonic, to eliminate tartar from both above and below the gum line
• Polishing – A gritty paste and electric brush are used to remove stains and smooth the enamel
• Assessment – The hygienist or dentist checks the health of the teeth and gums
• Preventive Measures – A fluoride treatment may be applied to strengthen teeth and protect against decay
• Frequency – Regular visits are important to maintain oral health and catch potential issues early

Why should you have your teeth cleaned?

Regular dental cleaning is important for maintaining optimal oral health. Even with diligent brushing and flossing, a dental cleaning effectively removes tartar from areas that your toothbrush may not reach. Teeth cleaning (also known as a scale and polish or hygienist clean) is strongly advised by dentists prior to teeth whitening treatments.

Dentist believe geeting your teeth cleaned before Whiteningit offers several benefits, including:

• Removal of plaque and tartar – Plaque and tartar can obstruct the whitening gels access to the enamel.
• Elimination of food debris – A professional cleaning eliminates any residual food particles and debris.
• Detection of oral health issues – During the cleaning process, your dentist will also check for issues such as tooth decay or gum disease.

How often should I get my teeth cleaned?

Most dentists recommended a dental clean every 6 to 12 months to prevent gum disease and decay.

When is it not essential to have your teeth cleaned before whitening?

Teeth Whitening Practititioners are advocates for an annual hygiene clean for the prevention of gum disease and decay.  But is it essential to have a dental teeth clean immedialty prior to having your teeth whitened?.  A dental clean is not designed to whiten teeth.  It is designed to remove plaque and tartar which often appears in on the back surface of the teeth.  Teeth whitening gel is applied directly to visible face (or front surface of the tooth).  If there is a heavy build-up of plaque and tartar on the face of the tooth then your teeth whitening practitoner would recommend you have a dental clean first.  If there is no visable build up of plaque and tartar on the face of the tooth, then it is not neccessary.

How long should I wait after dental cleaning to whiten my teeth?

After a professional dental cleaning, it’s generally best to wait 48 hours before whitening your teeth.

Here’s why you should wait:

🦷 Your teeth may experience slight sensitivity after a scale and polish, particularly if a significant amount of tartar is removed.
🪥 Your gums may also be mildly irritated, and the use of whitening products (especially those containing peroxide) could lead to discomfort.
✨ The cleaning process eliminates surface plaque and stains, which enhances the effectiveness of whitening — thus, you begin with a clean surface.

When you might wait longer:

If you experienced significant sensitivity or gum inflammation, it’s best to up to 5 to 7 days
If you had a deep clean (scaling and root planing), it’s usually best to wait the full week
Since you’re in the teeth whitening space, timing it right can also improve your client results — freshly cleaned teeth often whiten more evenly and lift faster.

Professional In-Clinic Teeth Whitening Auckland

iSmile Professional In-Clinic Teeth Whitening Auckland offers the most developed, safe and gentle teeth whitening system available on the market today!  iSmile Teeth Whitening Practitioners are fully qualified and registered members of the New Zealand Cosmetic Teeth Whitening Association (NZCTWA).  Check out iSmile Teeth whitening treatment options.

Contact us today to schedule an appointment! 

Learn more about Professional In Clinic Teeth Whitening Auckland

Follow iSmile on Instagram and Facebook

Go straight to iSmile Online Bookings

The post Should I Get My Teeth Cleaned Before Whitening? appeared first on iSmile Teeth Whitening Clinic Auckland.

Professional Grade Teeth Whitening Gels offer faster, stronger, and longer-lasting results due to higher concentrations of active ingredients (Catalyst and Hydrogen Peroxide) and expert supervision, ensuring a safer and more effective treatment with customised care for your specific needs and oral health. This process provides improved self-confidence and a brighter, younger-looking smile without the risks of irritation or damage from unsupervised at-home products.  So, what is the science behind modern professional grade teeth whitening gels, and how do they work?

Professional Grade Teeth Whitening Gels combine hydrogen peroxide and a catalyst, such as titanium dioxide (TiO2) and heat, which enhances teeth whitening by speeding up the chemical reaction and promoting free oxygen activation.  Catalyst gels need to be activated by specialised technology – light, heat, or other forms of energy, which accelerate the breakdown of hydrogen peroxide into reactive oxygen species that penetrate enamel and lift stains.  When receiving treatment under professional supervision, using modern specialised light and heat activating technology makes teeth whitening a safer, far more effective approach.

Professional Grade Teeth Whitening Gels vs Over-the-Counter products

Strength and Effectiveness

Professionals gels with Catalytic activation can significantly reduce the time needed for a whitening procedure offering faster, longer-lasting and enhanced efficacy.  The accelerated release of oxygen can lead to more effective stain removal and whiter teeth.  Catalytic gels treatments provided by a training teeth whitening practitioner contain higher concentrations of active ingredients usually a medical grade hydrogen peroxide are significantly stronger and more effective than over-the-counter alternatives.

Over-the-counter products, like whitening strips, gels, and toothpaste, contain lower concentrations to ensure safety for unsupervised use. While they can help remove surface stains, they are less effective at brightening deeper discoloration.

Customisation

One of the main advantages of in-clinic whitening is customisation. Teeth Whitening Practitions tailor the treatment to your teeth, taking into account your dental history, sensitivity levels, and desired shade. Some clinics also use specialised trays or protective barriers to ensure the gel only contacts your teeth and not your gums.  Over-the-counter products, in contrast, are one-size-fits-all. They may not fit perfectly, which can lead to uneven whitening and potential irritation of gums or soft tissue.

Teeth Whitening Safety and Supervision

Professional whitening is conducted under the supervision of a qualfied teeth whitening practitioner. This reduces the risk of complications such as tooth sensitivity, enamel damage, or gum irritation. Teeth Whitening Practitioners can also advise whether whitening is appropriate for you, particularly if you have existing dental restorations, cavities, or gum issues.  Over-the-counter whitening carries more risk if used incorrectly. Prolonged or excessive use can lead to tooth sensitivity, uneven results, and even enamel erosion.

Speed and Results

In-clinic treatments often deliver immediate results, sometimes brightening teeth several shades in a single session. Other the counter teeth whitening products, on the other hand, require consistent use over days or weeks, and results are generally more subtle.

Cost Considerations when whitening your teeth

Professional whitening is more expensive, reflecting the expertise, stronger gels, and personalised care involved. Other the counter teeth whitening products are more affordable and convenient, but you may need to use them repeatedly to achieve noticeable results.

Conclusion: Professional grade Teeth Whitening Gels vs Over-the-Counter products

While over-the-counter teeth whitening products can be useful for minor touch-ups and surface stains, professional grade Teeth Whitening gels offer stronger, safer, and more customised results. If you’re looking for a dramatic, long-lasting improvement, consulting a trained teeth whitening practition is the most effective and safest route to a brighter smile.  The catalytic gels that iSmile uses are formulated at the same ultrasonic frequency as the Beyond Ultra II whitening machines. When used together, giving you an unbeatable whitening result in lightning-quick time, compared to any other gel out there.  NOTE: This is why you should always visit a teeth whitening clinic that has the Beyond OSMO whitening gel with your Beyond ultrasound whitening machines. Other generic gels may not get the same brilliant results.

Professional In-Clinic Teeth Whitening Auckland

iSmile Professional In-Clinic Teeth Whitening Auckland offers the most developed, safe and gentle teeth whitening system available on the market today!  iSmile Teeth Whitening Practitioners are fully qualified and registered members of the New Zealand Cosmetic Teeth Whitening Association (NZCTWA).  Check out iSmile Teeth whitening treatment options.

Contact us today to schedule an appointment! 

Learn more about Professional In Clinic Teeth Whitening Auckland

Follow iSmile on Instagram and Facebook

Go straight to iSmile Online Bookings

The post Professional Grade Teeth Whitening Gels – how they work? appeared first on iSmile Teeth Whitening Clinic Auckland.

And how do I prevent it from happening

A brighter smile is one of the first things people notice. But keeping your teeth white can be a challenge when everyday habits and lifestyle choices work against you. Every day food and beverages can change the colour of your teeth, making them appear yellowish or even brown. Stains can build up gradually, often without you realising — until one day your smile looks a little less sparkling.  One of the most common questions I get asked in my clinic is: What is causing my teeth to stain? And how do I prevent it from happening?

To understand how your teeth became stained, first, we need to understand the purpose of our teeth and the anatomy of the tooth.  Your teeth are part of your digestive system; they break down food by crushing or cutting them before you swallow.  Tooth enamel is the outermost layer of the teeth that protects the inner dentin and pulp from damage.  Enamel is the hardest substance in the human body, but it also contains millions of tiny microscopic pores.  Through heat and natural expansion and cold and contraction (e.g. drinking hot, highly coloured beverages such as coffee and tea, eating highly coloured foods).  The pores in the enamel will open and the colour from the food or beverage becomes traped and embedded inside the enamel, causing tooth discolouration.  This is why no amount of brushing can remove the stains, because the staining is not on the tooth surface; the stains are actually embedded in the pores of the enamel layer.

Here are some of the most common causes of teeth staining:

Teeth staining caused by Coffee and Tea

That morning pick-me-up may be essential, but both coffee and tea contain tannins—natural compounds that cause colour compounds to stick to your teeth and become embedded in your enamel layer. While black tea and coffee are the biggest culprits, even lighter teas like green or herbal blends can gradually stain your enamel. A detailed article specifically covering this topic is available on our website How to remove and prevent coffee stains on your teeth

Tip: Try rinsing your mouth with hot water after drinking coffee and tea.

Red Wine is rich in chromogens cause teeth to stain

A glass of red may feel indulgent, but it’s also rich in chromogens—pigments that easily stick to teeth. Combined with acidity, this makes wine a top staining teeth offender.  Even a single glass can leave a temporary purple tint on your teeth.

Tip: Pair wine with cheese! It can help neutralize acids and protect enamel. Ringse the mouth with hot water.

Smoking and Vaping can cause stubborn stains in the tooth enamel

Nicotine and tar from cigarettes (and even some vapes) cause deep, stubborn stains in the enamel that can be tough to remove. Beyond discoloration of the teeth, they also affect your overall oral health.

A detailed article specifically covering this topic is available on our website How to remove Tobacco/Nicotine Stains on your Teeth

Sugary and Dark-Coloured Drinks can weaken the enamel layer

Sodas and brightly coloured sports drinks not only contain dyes but are also acidic, which weakens enamel and makes teeth more prone to staining. Even clear soft drinks can erode enamel, increasing the risk of discolouration from other foods.  Even fruit juices can erode enamel and make staining pigments easier to absorb into the tooth.

A detailed article specifically covering this topic is available on our website Teeth Staining caused by Carbonated Drinks like Cola, Soda and Others

Sauces known to cause teeth staining

Tomato-based sauces, soy sauce, and balsamic vinegar are all highly pigmented and acidic, making them prime suspects in staining the teeth. These sauces can gradually alter the natural whiteness of your teeth if consumed often.

Curries and Spices colour pigment stains the teeth

Turmeric and other richly coloured spices that give curries their beautiful golden hue—but that same pigment can cling to tooth surfaces and work it way into the pores of the enamel, leaving a yellowish tint and staining teeth over time.

Sweets and Snacks not only cause cavities but cause teeth to stain

We all love a sweet treat now and then, but sugar can be one of the biggest culprits behind tooth decay and discolouration. When you eat sugary foods or drinks, the bacteria naturally present in your mouth feed on the sugar and produce acids. These acids attack your tooth enamel causing it to weaken and eventually leading to cavities.  Frequent sugar consumption, especially sticky sweets or sugary drinks, gives bacteria more fuel to produce acid, increasing the risk of decay and makes tooth staining more noticeable. Even seemingly harmless snacks, like fruit juice or dried fruit, can contribute if consumed often.

Tip: You can protect your teeth by limiting sugary foods, brushing twice a day with fluoride toothpaste, flossing daily, and visiting your dentist regularly. Rinsing your mouth with water after a sweet treat can also help wash away lingering sugars.

The Good News

You don’t have to give up your favourite foods and drinks completely.  Here are some useful information to help you minimize staining from coffee, tea, wine, and other culprits with these effective tooth staining prevention tips

Drink water: Alternate your hot beverages with sips of hot water to help rinse away staining compounds and prevent them from setting into the enamel pores. If the staining effect is a concern, consider switching to lighter-coloured teas or using decaffeinated coffee, which may have fewer staining properties.

Use a straw: A straw can help reduce the direct contact between the hot, staining liquid and your teeth.

For a bigger boost, professional in-clinic teeth whitening can safely restore brightness and confidence to your smile.  Please contact iSmile for more information about this article ‘What is causing my teeth to stain’? Here is a link to the most frequently asked teeth whitening questions

Professional In-Clinic Teeth Whitening Auckland

iSmile Professional In-Clinic Teeth Whitening Auckland offers the most developed, safe and gentle teeth whitening system available on the market today!  iSmile Teeth Whitening Practitioners are fully qualified and registered members of the New Zealand Cosmetic Teeth Whitening Association (NZCTWA). There are many different teeth whitening treatment options available

Contact us today to schedule an appointment! 

Learn more about Professional In Clinic Teeth Whitening Auckland

Follow iSmile on Instagram and Facebook

Go straight to iSmile Online Bookings

Here is a link to the most frequently asked teeth whitening questions

The post What is causing my teeth to stain? appeared first on iSmile Teeth Whitening Clinic Auckland.

from Modern Solutions to Ancient Practices

Bright, flawless smiles dominate magazines, social media, and movie screens—but in reality, lifestyle habits and the process work against us. Coffee, wine, and the passage of time naturally lead to tooth discolouration.  The upside, people have been whitening their teeth for centuries, and today’s options are safer and more effective than in the past. If you’re considering professional teeth whitening, you might be surprised at the fascinating journey this cosmetic treatment has taken.

Let’s take a further look at the history of teeth whitening from modern solutions to ancient practices.

The History of Teeth Whitening: Ancient Egyptian and Roman Approaches

In ancient Egypt, white teeth was a symbol of prestige

Egyptians crafted a paste made from ground pumice stone and vinegar to polish their smiles—effective but harsh, often wearing away enamel.  However, it was the application of natron, a kind of naturally occurring salt, that set their teeth-whitening methods apart. Natron was used in mummification, but also used as a dental powder to maintain oral hygiene and whiten teeth.  More interestingly, oral care in ancient Egypt was linked to preparation for the afterlife.  The Egyptians also used toothpicks made of metal and ivory to clean their teeth.

The History of Teeth Whitening from Modern Solutions to Ancient Practices

The ancient Romans went in a different direction to whiten their teeth and maintain oral hygiene.

They utilised toothpaste formulations that included unusual components. Ingredients included powdered charcoal, obtained from incinerated materials such as animal bones and oyster shells, which provided the necessary abrasiveness for cleaning teeth. Interestingly, crushed mouse brains were thought to improve the effectiveness of the toothpaste.

The most unusual ingredient, however, was human urine, which was imported in substantial amounts from Portugal, prized for its ammonia content and its properties as a mouthrinse and tooth whitener. The process of creating Roman toothpaste involved finely grinding this diverse array of ingredients, which included herbs, mouse skulls, and urine, and then combining them with a binder like honey to form a paste.

Dentists primarily performed tooth extractions without the use of anesthetics, yet only about one-third of the skeletons discovered in Pompeii and Herculaneum showed missing teeth, with a relatively small number displaying carious lesions.

The History of Teeth Whitening: Chinese and Indian Teeth Whitening Traditions

In traditional Chinese medicine, herbal remedies and natural powders were used to maintain oral cleanliness, while chewing twigs like miswak helped scrub away stains.

In India, Ayurvedic practices such as oil pulling with sesame or coconut oil aimed to reduce bacteria and naturally brighten teeth—a technique still popular today.

The practice of using twigs or “chewing sticks” for cleaning teeth has a deep-rooted history. These sticks, typically from neem, babul, or other trees, are known for their antibacterial properties. The use of these twigs was passed down through generations as a common method of oral hygiene.

The History of Teeth Whitening: The shift toward Modern Dentistry 

17th–18th Centuries: Acid and Barber

During the 17th and 18th centuries, barbers often doubled as dental practitioners. Some whitening attempts involved applying nitric acid, which removed stains but severely weakened enamel.
By the 19th century, hydrogen peroxide emerged as the preferred whitening agent. Dentists refined its use, experimenting with concentrations to improve safety and effectiveness.

20th Century: Professional Whitening Takes Off

The early 1900s brought dental-grade hydrogen peroxide treatments. In the 1960s, dentists noticed that gum disease treatments using peroxide also lightened teeth, paving the way for modern bleaching.

By the 1980s, in-office whitening became widely accessible, and over time, at-home kits offered patients a more affordable alternative.

Todays Modern Teeth Whitening

Modern teeth whitening methods range from professional in-clinic treatments to at-home systems, each offering different benefits in terms of speed and comfort. Individual results vary.

1. Professional In-Clinic Teeth Whitening

For fast, safe, and dramatic results, professional teeth whitening at a professional teeth whitening clinic is the gold standard. When receiving treatment under professional supervision, using Catalyst Hydrogen Peroxide Gel and specalised light and heat activating technology makes teeth whitening a safer, far more effective approach. technology, your teeth whitening practitioner can lift deep stains in just one appointment. This method is ideal if you want instant, long-lasting brightness with professional supervision.

2. Take-Home Whitening trays

Custom take-home whitening trays provide the flexibility of whitening at your own pace and at home. Take-home kits generally take longer to show noticeable results. You may need to use the trays for several days or weeks before achieving your desired brightness.  Take-home kits contain a lower concentration of peroxide compared to professional in-office treatments. This means they are gentler, but not as effective at removing deep stains or discoloration.  Improper use or overuse of the whitening gel can cause tooth sensitivity and gum irritation. If gel seeps out of the trays, it can irritate the soft tissues in your mouth.

3. Over-the-Counter Whitening Products

From whitening strips to toothpastes and pens, these products are convenient and affordable but often deliver milder results.  Teeth whitening pens with a small applicator brush used along with a lip retractor is the safest option and best for maintaining brightness after a professional treatment or for people with minimal staining.  Without careful application, teeth whitening gels or strips that come into contact with gums can cause irritation and redness harming the soft tissues in the mouth.  Many over-the-counter products can cause temporary or prolonged tooth sensitivity, especially with prolonged use or overuse. People with naturally sensitive teeth may find these products uncomfortable.

Factors to consider when having your teeth whitened

Sensitivity and Safety

Whitening isn’t one-size-fits-all. Patients with tooth sensitivity or gum issues may require specialised care to avoid discomfort. A professional approach ensures safe, tailored results.

Maintaining Results

While whitening isn’t permanent, good oral hygiene and limiting stain-causing foods and drinks can prolong the whiteness of the teeth. An annual teeth whitening treatment will keep your smile fresh.

Oral Health

The overall heath of your teeth is important to factor in before having your teeth whitened.  Cavities, gum disease, or sensitive teeth should be treated before teeth whitening.  Existing restorations (crowns, veneers, fillings) do not whiten, which may lead to uneven color.

Age and Health Considerations

Whitening is generally not recommended for children under 16.  Women who are pregnant or breastfeeding (no research has been conducted on the use of teeth whitening while pregnant or nursing and is therefore not advised).  Anyone allergic to hydogen peroxide (the whitening agent).

Teeth Whitening Cost

Professional treatments may seem a little more expensive but are often safer and far more effective.  Over-the-counter products are cheaper but may require repeated use for noticeable results.

Summary

The best teeth whitening method depends on your individual needs. If you want quick, noticeable results, opt for professional whitening. For gradual improvement, dentist-supervised take-home kits are a great choice. Always consult your dentist before starting any whitening treatment to ensure it’s safe and suitable for your teeth.

Professional In-Clinic Teeth Whitening Auckland

iSmile Professional In-Clinic Teeth Whitening Auckland offers the most developed, safe and gentle teeth whitening system available on the market today!  iSmile Auckland Teeth Whitening Practitioners are fully qualified and registered members of the New Zealand Cosmetic Teeth Whitening Association (NZCTWA).  Check out iSmile Teeth whitening treatment options.

Contact us today to schedule an appointment! 

Learn more about Professional In Clinic Teeth Whitening Auckland

Follow iSmile on Instagram and Facebook

Go straight to iSmile Online Bookings

The post The History of Teeth Whitening from Modern Solutions to Ancient Practices appeared first on iSmile Teeth Whitening Clinic Auckland.

Key Considerations and Timing

When planning a smile makeover, a question I’m often asked in my teeth whitening clinic is: Should I get my Teeth Whitening before getting a Crown?”

A bright, beautiful white smile is something many of us desire, and for some, which can be achieved through procedures like teeth whitening or getting dental crowns. However, when faced with the decision of whether to pursue teeth whitening before crowns, it’s essential to consider various factors.  In this article, we will explore the advantages of whitening your teeth before getting crowns and why it might be the right choice for you.

What is a dental crown?

Each dental crown is specifically crafted to match the colour of your surrounding teeth.  A crown is an artificial “cap” that is installed to repair the remaining part of a damaged tooth. The crown replicates the original shape of the original tooth so that it fits naturally within your bite. A crown can also be used to repair a chipped tooth, or it can be used to fill and seal a cavity.

Your dentist will colour-match your crown to the surrounding natural teeth. This involves comparing a tooth to a colour swatch, much like those found in home decor stores. Once the right hue is chosen, the crown will be altered to flawlessly match your existing smile.

Benefits of Dental Crowns

• Enhanced Confidence – A brighter, even smile boosts your self-esteem in both personal and professional settings.
• Improved Oral Health – Crowns protect weak teeth from further damage, helping maintain long-term dental health.
• Natural, Long-Lasting Results – Modern materials and whitening technology ensure your results look and feel completely natural.
• Customized Treatment – Your dentist tailors the shade, shape, and style to your individual preferences and needs.

What is Teeth Whitening?

Teeth whitening is a cosmetic treatment designed to whiten the colour of natural teeth. It removes stains and discolouration caused by coffee, tea, wine, tobacco, or simply the ageing process. Professional whitening performed in-clinic uses safe, effective whitening gels that can whiten your teeth by several shades.

Benefits of Teeth Whitening

• Whiter Smile Instantly – Professional teeth whitening safely removes stains from coffee, tea, wine, and smoking, giving you a noticeably whiter smile after just one treatment.
• Boost Confidence – A whiter smile can enhance your confidence in social settings, photos, and professional environments.
• Safe and Clinically Proven – Unlike over-the-counter whitening products, professional teeth whitening is tailored to your teeth and monitored to minimise sensitivity.
• Fast, Long-Lasting Results – In-clinic whitening treatments deliver faster and more dramatic results compared to DIY whitening kits.
• Even, Consistent Whitening – Customised whitening ensures even coverage across all visible teeth for a natural, uniform result.
• Removes Deep and Surface Stains – Professional whitening gel penetrate into the enamel surface lifing out stubborn stains.
• Non-Invasive Cosmetic Enhancement – Teeth whitening is a simple, affordable cosmetic treatment that improves your smile without drilling, injections, or downtime.

However, it’s important to note that teeth whitening treatments only work on natural enamel.  It does not work on dental restorations like crowns, veneers, or fillings. This is an important factor to consider if you have or are planning to get crowns.

Combining Teeth Whitening and Crowns

Planning a new Dental Crown

If you’re planning both teeth whitening and dental crowns, the order of treatment is important. Dentists usually recommend professional in-clinic whitening of your natural teeth first before matching your new crown to the lighter shade. Since crowns do not whiten like natural teeth, carrying out teeth whitening beforehand ensures your restoration blends with your newly whitened smile.

Existing Dental Crowns

For existing crowns, teeth whitening gels do not whiten porcelain crowns.  Therefore, it is highly recommended to whiten first and then match the crown to the colour of your newly whitened teeth.  If a crown is shade-matched to the colour of your unwhitened yellow-stained teeth, and you later decide to get your teeth whitened, the crown will appear more yellow against your newly whitened natural teeth.

For many people, this is their biggest regret; they now can’t do anything about their yellow dental crown.  In this scenario a balanced approach is recommended.  Whitening your natural teeth first to the desired shade and then replacing older crowns if necessary to achieve an even colour.

What is the downtime between a teeth whitening treatment and getting a crown?

Generally speaking, you should wait at least two weeks between completing teeth whitening and proceeding with dental restoration work, such as crowns or veneers. This short waiting period ensures your newly whitened teeth has fully set in.  Then the crowns can be matched to the new shade.

The decision to get professional in-clinic teeth whitening before crowns ultimately depends on your specific needs and goals. If your teeth are in good condtion but have discoloration or stains, teeth whitening may be a suitable and cost-effective choice.

Summary

Teeth whitening enhances the brightness of your natural teeth, while dental crowns restore and protect damaged or discoloured ones. Together, they can deliver a radiant, confident smile—when planned and executed properly under the guidance of your dentist and professional teeth whitening clinic.  Whether you want to whiten your teeth or restore damaged ones, teeth whitening and dental crowns offer a powerful combination for a radiant, healthy-looking smile.

Professional In-Clinic Teeth Whitening Auckland

iSmile Professional In-Clinic Teeth Whitening Auckland offers the most developed, safe and gentle teeth whitening system available on the market today!  iSmile Teeth Whitening Practitioners are fully qualified and registered members of the New Zealand Cosmetic Teeth Whitening Association (NZCTWA).  Check out iSmile Teeth whitening treatment options.

Contact us today to schedule an appointment! 

Learn more about Professional In Clinic Teeth Whitening Auckland

Follow iSmile on Instagram and Facebook

Go straight to iSmile Online Bookings

The post Should I get Teeth Whitening before getting a Crown? appeared first on iSmile Teeth Whitening Clinic Auckland.

Teeth Whitening Gel Strength and Results

Professional teeth whitening clinics use stronger and more advanced whitening agents, such as hydrogen peroxide, than what is not available in OTC at-home whitening products. This means that in-clinic treatments can often deliver more dramatic results in a shorter amount of time.treatments performed by a teeth whitening professional use high-concentration whitening gels that deliver faster and more noticeable results. In just one session, your teeth can appear several shades lighter.

At-home teeth whitening contain lower-strength peroxide formulas. While they can gradually brighten your teeth, the results are often less dramatic and may take weeks to achieve compared to in-clinic treatments.  At-Home vs Professional Teeth Whitening – if you’re after instant, long-lasting brightness, then professional whitening is the superior option.

Fastest Results

Professional teeth whitening clinics offer faster results after just one session. This is particularly appealing for individuals seeking rapid improvements in their smile’s appearance.

At-home teeth whitening kits typically require consistent use over an extended period of time. This gradual approach may be suitable for those who prefer a subtle and natural-looking improvement.  Unlike in-clinic treatments that provide rapid results.

Safety and Supervision

Professional teeth whitening clinics carry out treatment by a trained, reducing the risk of mishaps or adverse effects. Your teeth whitening practitioner will also provide guidance on post-treatment care to maintain the results.are careful to protect your gums and enamel during the whitening process. This minimises the risk of tooth sensitivity or gum irritation.

At-home teeth whitening products especially those bought over the counter, lack professional supervision. When teeth whitening is carried out by DIY’er the whitening solution the whitening solution can get onto gums and long-term exposure may result in the inflammation and redness. In extreme cases of soft tissue irritation from whitening solution can lead to pain and bleeding of the gum tissue.  In extreme cases with gels purchased from Incorrect use — such as overuse or applying too much gel — can lead to enamel damage or uneven results.

For those with sensitive teeth or existing dental work, professional supervision is always the safer choice.

Customisation and Comfort

Professional whitening clinics can tailor a treatment to your individual needs — adjusting the gel strength, treatment time, and even targeting stubborn stains.  Teeth Whitening professionals can customize the treatment to address individual concerns, such as sensitivity or uneven discolouration.

At-home teeth whitening such as strips, trays, or LED kits are one-size-fits-all, meaning they may not fit properly or whiten evenly.  Users must follow the instructions provided, which may not address specific concerns like uneven discoloration or sensitivity adequately.

Cost and Convenience

Professional whitening clinics may cost a little more upfront than at home teeth whitening kits. However, the results last longer and often require fewer touch-ups.

At-home whitening products teeth whitening products such as whitening strips, gels, and toothpaste, offer the convenience of at-home use — but results fade faster, meaning you may need to repurchase kits regularly. Over time, this can add up to nearly the same cost as a professional treatment.

Which Option Is Best for You?

• Choose Professional Whitening if you want:

  • Fast, dramatic results

  • Professional supervised treatments

  • Long-lasting whiteness

  • Customised treatment taylored to your individual needs

• Choose At-Home Whitening if you prefer:

  • A budget-friendly, gradual approach

  • Convenient touch-ups between clinic visits

Final Thoughts – At-Home vs Professional Teeth Whitening

Choosing between at-home vs Professioal Teeth Whitening ultimately depends on your preferences, budget, and desired results. In-clinic treatments offer professional expertise, potent whitening agents, and rapid results but come at a higher cost. On the other hand, OTC products offer affordability, convenience, and a gradual approach to whitening.

Before deciding, you can consult with a teeth whitening professional. They can discuss your goals and recommend the most suitable approach. Additionally, it’s essential to follow the instructions carefully for both in-clinic and OTC treatments and maintain proper oral hygiene practices to preserve your dazzling smile for the long term. Remember, a beautiful smile is an investment in your self-confidence and overall well-being, and choosing the right teeth whitening method can help you achieve it.

Dealing with an NZCTWA Registered Teeth Whitening Practitioner displaying NZCTWA Registration is your assurance that you’re dealing with a professionally trained, qualified and safe Cosmetic Teeth Whitening Practitioner who takes pride in the quality of their service and care.  Always look for the NZCTWA trusted logo.

Professional In-Clinic Teeth Whitening Auckland

iSmile Professional In-Clinic Teeth Whitening Auckland offers the most developed, safe and gentle teeth whitening system available on the market today!  iSmile Auckland Teeth Whitening Practitioners are fully qualified and registered members of the New Zealand Cosmetic Teeth Whitening Association (NZCTWA).  Check out iSmile Teeth whitening treatment options.

Contact us today to schedule an appointment! 

Learn more about Professional In Clinic Teeth Whitening Auckland

Follow iSmile on Instagram and Facebook

Go straight to iSmile Online Bookings

The post At-Home vs Professional Teeth Whitening appeared first on iSmile Teeth Whitening Clinic Auckland.