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Teeth Whitening: Separating Facts from Fiction
Cosmetic Dentistry10 January 20256 min read

Teeth Whitening: Separating Facts from Fiction

Dr. Yasha Y Shirazi

Dr. Yasha Y Shirazi

Clinical Director

Teeth Whitening: Separating Facts from Fiction

In an age where a bright smile is synonymous with health and success, teeth whitening has become one of the most requested cosmetic procedures. But with so much misinformation circulating, how do you know what's real?

Professional teeth whitening results at Cosmetic Dentistry Clinic
Professional whitening delivers noticeably brighter results

The Science of Tooth Colour

Your tooth colour is determined by both intrinsic (internal) and extrinsic (surface) factors. The dentine layer beneath your enamel gives teeth their base colour, while surface stains from coffee, wine, and certain foods add to discolouration.

Professional whitening treatments work by penetrating the enamel to break down stain compounds in the dentine, creating a genuinely whiter smile rather than just removing surface stains.

Myth #1: Whitening Damages Enamel

The Truth: When performed by a dental professional at Cosmetic Dentistry Clinic using appropriate concentrations, whitening is completely safe for your enamel. The key is supervision—over-the-counter products used incorrectly can cause sensitivity and gum irritation.

Myth #2: All Whitening Products Are the Same

The Truth: Professional whitening uses higher concentrations of active ingredients (hydrogen peroxide or carbamide peroxide) that are only legal for dental professionals to administer. Supermarket products contain significantly weaker formulations.

Myth #3: Results Last Forever

The Truth: While professional whitening can last 1-3 years, your teeth will gradually absorb new stains. Lifestyle factors like coffee consumption and smoking affect longevity. Touch-up treatments and regular professional cleanings help maintain your results.

Our Whitening Options

At Cosmetic Dentistry Clinic, we offer both in-office and take-home whitening solutions:

Boutique Whitening

Our signature take-home system includes custom-fitted trays and professional-grade gel. Results develop over 2-3 weeks, offering convenience and gradual enhancement.

Enlighten Evolution

The gold standard in whitening, Enlighten guarantees a B1 shade (the whitest natural tooth colour) or your money back. This system combines in-office treatment with take-home maintenance.

Is Whitening Right for You?

Not everyone is an ideal candidate for whitening. Some discolouration is better addressed with porcelain veneers or composite bonding. We always recommend a consultation to assess your oral health, identify the cause of discolouration, and recommend the most effective treatment for your unique situation.

Ready for a brighter smile? View our fees or book your consultation today. We also offer flexible finance options.

Tags:WhiteningCosmeticOral HealthTeeth Whitening LondonProfessional Whitening
Dr. Yasha Y Shirazi
About the Author

Dr. Yasha Y Shirazi

Clinical Director at Cosmetic Dentistry Clinic

With years of experience in cosmetic and restorative dentistry, Dr. is dedicated to helping patients achieve their perfect smile through personalised care and cutting-edge techniques.