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Tooth whitening
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Maintenance
Although treatment results can be rapid, stains can reappear within the first few months and years of treatment. In order to maintain the whitened appearance, there are ways to protect the teeth and prolong the treatment.
 * Brush or rinse mouth immediately after eating and drinking
 * Chewing gum
 * Floss to remove plaque
 * Use whitening tooth paste once or twice a week to avoid surface stains
 * Drink harsh beverages through a straw
 * Do touch up treatments

Foods that stain your teeth
Certain foods such as Tea, Coffee, Cola, Curries and Tomato-based sauces can cause teeth staining. These teeth staining foods contain acids and sugars that eat away at the enamel and cause stains to build up over the course of time. This leaves your teeth with yellow and even brown patches that can have a negative effect on your smile.

Crest Whitestrips

Awards
Crest has previously won awards from the following associations:
 * The American Dental Association Seal
 * Awards from Self and Brides Magazines
 * Allure and Total Beauty Readers Choice Awards

Strengths available

 * Crest Whitestrips Supreme has 100mg of gel with 14% hydrogen peroxide = 14mg of hydrogen peroxide per upper strip.
 * Crest Whitestrips Professional has 200mg of gel with 6.5% hydrogen peroxide per upper strip

As with any medical decision, it's best to consult with a professional before making a whitening decision. A professional opinion can help guide your selection and simplify the home tooth whitening products decision-making process.