How long does professional teeth whitening last?
Professional in-office teeth whitening at Fairfax Advanced Dentistry can lighten teeth by several shades in a single visit, and results typically last 1 to 3 years depending on your diet, smoking habits, and oral hygiene. Take-home whitening trays customized to your teeth extend and maintain the results. Over-the-counter products rarely match the concentration or effectiveness of professional treatments.
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Heads up — this answer is from our AI assistant. It is meant as helpful general guidance, not a substitute for a professional dental evaluation. Every smile is different, and the right answer for you depends on your unique situation.
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