
How far we have come…
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 discoloration.
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.
ANCIENT TEETH WHITENING METHODS
Egyptian and Roman Approaches
In ancient Egypt, white teeth were 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.
Romans went in another direction, whitening their teeth with ammonia-rich urine, which acted as a natural bleaching agent. Historical records even note that wealthy Romans preferred imported urine for the “best” results
Chinese and Indian 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 SHIFT TOWARD MODERN DENTISTRY
17th–18th Centuries: Acid and Barber
During this period, 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.
Modern Teeth Whitening Options
- In-Office Whitening – Professional treatments use strong bleaching agents activated by special lights, delivering dramatic results in just one appointment.
- Take-Home Kits from Dentists – Custom trays and professional-grade gels allow for gradual whitening at home with reliable results.
- Over-the-Counter Products – Strips, toothpaste, and rinses can help with mild discoloration but can’t match professional outcomes.
Choosing the Best Whitening Method
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.
Whitening Your Smile with Professional In-Clinic Teeth Whitening
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).
Contact us today to schedule an appointment!
Click here to learn more about Professional In Clinic Teeth Whitening Auckland
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2025
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