Gleaming Smiles in San Francisco

Your smile leaves a lasting impression.  Dr. Tiffany H. Nguyen and Dr. Laura Huynh at West Portal Dentistry offer professional teeth whitening, which San Francisco residents trust for safe, low sensitivity treatment and sparkling results.

Types of Dental Stains

extrinsic, intrinsic, and age-related. Extrinsic stains from coffee, tea, cola, red wine, and tobacco settle on the outer layer of teeth, while intrinsic stains darken the inner structure.

Dental stains come in three types:

Causes of Stains

Age-related discoloration occurs as enamel thins, revealing yellow dentin beneath.

Extrinsic stains are caused by coffee, tea, red wine, dark berries, and tobacco. Intrinsic stains result from excess fluoride, tetracycline, and trauma.

The Best Whitening Approach

Professional treatments are far more effective for all three types of stains, providing superior results with the oversight of trained dental professionals.

Drugstore teeth whiteners may offer some improvement but can also scratch enamel.

A buffering ingredient ensures comfort, keeping your smile bright.

West Portal Dentistry uses KöR deep bleaching for optimal whitening.

At-home custom fit tray wear with prescription strength gel followed by an in-office whitening treatment.

West Portal's Whitening Process

To schedule an appointment and achieve the gleaming smile you've always wanted.

For professional teeth whitening in San Francisco, visit

West Portal Dentistry

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