How long does teeth whitening last?

Teeth whitening is one of the most popular cosmetic treatments to achieve a brighter and more attractive smile. Many people seek this procedure to remove stains and discolorations caused by the consumption of coffee, tea, red wine, tobacco and other factors that can affect the natural color of teeth. However, a common question that arises before undergoing teeth whitening is: how long does the result really last? In this article we are going to tell you about the durability of teeth whitening and the factors that can affect the longevity of a whiter smile.

What is teeth whitening?

Teeth whitening is a non-invasive cosmetic procedure that seeks to lighten and improve the color of teeth. There are different methods of teeth whitening, the most common being whitening performed in the dental office by a professional, and at-home whitening with kits supplied by the dentist. Both methods use a hydrogen peroxide or carbamide peroxide-based whitening gel to remove surface and deep stains and discolorations on tooth enamel.

Duration of tooth whitening

The duration of the teeth whitening result can vary depending on several factors, including the whitening method used, oral care habits and the patient's dietary habits. Here are some key points to understand the durability of teeth whitening:

Bleaching method used

The durability of the whitening result may depend on the method used. In-office treatments, which typically use a higher concentration of peroxide and the application of specialized light, may provide faster and longer-lasting results compared to at-home whitening. However, in-office treatments can also be more expensive.

2. Oral care habits

Proper oral care plays a key role in the durability of teeth whitening. Maintaining good oral hygiene, including brushing after every meal and flossing at least once a day, helps prevent the buildup of stains and discolorations on the teeth. In addition, regular visits to the dentist for professional cleanings can help maintain the whitening result longer.

3. Eating habits

Eating habits can also affect the durability of teeth whitening. Regular consumption of foods and beverages that tend to stain teeth, such as coffee, tea, red wine, tomato sauce and carbonated beverages, can decrease the effectiveness of whitening over time. It is recommended to avoid or limit consumption of these foods and beverages, or to rinse the mouth with water after consuming them to reduce the risk of staining.

4. Use of whitening products in the home

Some patients choose to use at-home teeth whitening products after in-office whitening. These products can be helpful in maintaining the whitening result over time, as they allow for periodic touch-ups to maintain the whiteness of the teeth.

5. Initial condition of the teeth

The whitening result may also depend on the initial condition of the teeth before treatment. In some cases, stains and discolorations may be more difficult to remove due to the nature of the tooth enamel or previous staining problems. In these cases, the whitening result may not be as long-lasting as in patients with teeth less prone to staining.

6. Post-bleaching maintenance

Post-whitening maintenance is essential to prolong the durability of the result. Some dentists may recommend maintenance whitening sessions every few years to maintain the brightness of the smile.

How long does teeth whitening take approximately?

The duration of teeth whitening can vary from person to person, but on average, the whitening result can last anywhere from six months to two years. Some patients may experience longer lasting whitening if they maintain good oral care habits and avoid certain foods and beverages that can stain teeth. In cases where the whitening result begins to fade, touch-ups or a new whitening treatment may be performed to keep the smile bright.


Teeth whitening is an excellent option to achieve a whiter and more attractive smile. The durability of the whitening result can vary depending on the method used, the patient's oral care and dietary habits, and the initial condition of the teeth. In general, the result of teeth whitening can last from six months to two years, but with proper maintenance and periodic touch-ups, it is possible to maintain the whiteness of the smile for longer. If you are considering teeth whitening, consult your dentist to determine which method is right for you and to receive post-treatment care recommendations to help you enjoy a healthy, radiant smile.

In the B & J Dental Clinic we are specialists in the teeth whitening treatment. Make an appointment and come and visit us at our clinics of the Horseshoe y Gabias.