How Long Does Teeth Whitening Last?
A brighter smile can instantly boost your confidence, enhance your appearance, and even make you look younger. Teeth whitening is one of the most popular cosmetic dental treatments because it delivers noticeable results quickly. But one common question patients ask is: How long does teeth whitening last? The answer depends on several factors, including the type of whitening treatment, your lifestyle habits, and how well you maintain your results. Let’s explore what you can expect and how to keep your smile shining longer. Average Duration of Teeth Whitening Results In general, professional teeth whitening results can last anywhere from 6 months to 3 years . However, most patients notice optimal brightness for about 12 to 18 months before gradual discoloration begins to return. Over-the-counter whitening products typically last a shorter time—often just a few months—because they contain lower concentrations of bleaching agents. Professional in-office whitening treatments provide ...