Understanding hydrogen peroxide concentration and enamel safety.
The Science of Professional Teeth Whitening
Tooth whitening is one of the most requested cosmetic dental procedures. However, understanding the clinical mechanisms behind enamel brightening is essential for both safety and efficacy.
How Whitening Works
Professional whitening primarily uses Hydrogen Peroxide or Carbamide Peroxide. These agents penetrate the enamel prism structure to reach the dentin, where most discolouration occurs.
The Chemical Reaction
When peroxide breaks down, it releases oxygen molecules that enter the microscopic pores of your enamel. These molecules react with the larger, darker "chromophore" molecules (the stains), breaking them into smaller, colorless components.
Clinical Safety Standards
At ToothCareUSA, we follow strict safety protocols:
- Gingival Isolation: We use a light-cured resin barrier to protect your gums from peroxide exposure.
- Buffer Agents: Our whitening gels include desensitizers like Potassium Nitrate and Fluoride.
- pH Balance: We ensure the gel maintains a neutral pH to prevent enamel erosion.
Types of Stains
Extrinsic Stains
These are surface stains caused by:
- Coffee and tea
- Tobacco use
- Red wine
Intrinsic Stains
These are deep-seated stains that occur within the structure of the tooth, often caused by:
- Traumatic injury
- Excessive fluoride during development
- Certain medications (e.g., Tetracycline)
Maintenance Protocol
To preserve your results, we recommend the 'White Diet' for 48 hours following treatment, avoiding highly pigmented foods and beverages.
[!TIP] Always consult with Dr. Niraj before starting a whitening regimen, especially if you have existing crowns or veneers, as these materials do not respond to whitening agents.