Teeth whitening is a popular cosmetic dental procedure, designed to improve the appearance of stained, discolored, or otherwise discolored teeth. Whether you plan to whiten your teeth at the dentist’s office or in the comfort of your own home, it is important to know how long it will take to get the desired results.
How Teeth Whitening Works
Teeth whitening typically involves the use of a whitening gel or whitening strips, both of which contain peroxide. This peroxide-based solution works to break down the stains and discoloration on the surface of the teeth, leaving them brighter and whiter. In-office whitening treatments generally use a stronger form of the peroxide solution, which provides more efficient and faster results.
How Long Does It Take to Whiten Teeth?
The length of time it takes to whiten teeth depends on several factors. These include the type and strength of peroxide used, the general health of the teeth, and how stained the teeth are. Generally, it takes about two weeks of daily applications to see the desired results with over-the-counter products.

Professional Whitening
For professional whitening, the dentist applies a stronger form of the peroxide solution, which expedites the process. One trip to the dentist’s office often provides results that will last for a year or more. Depending on the severity of the stains, many people see results in just a few visits to the dentist.
Post-Whitening Care
After the teeth have been whitened, it is important to practice good oral hygiene and habits to maintain the desired results. Avoiding or limiting consumption of foods and drinks that stain the teeth, such as coffee, tea, red wine and soda, can help. Brushing twice a day and flossing daily will also help to prevent future staining.
In conclusion, the length of time it takes to whiten teeth depends on several factors. Generally, it takes about two weeks of daily applications with over-the-counter products to see the desired results. For a more efficient and faster whitening, many people opt for one or more visits to the dentist. Proper post-whitening care, including good oral hygiene and limiting consumption of staining foods and drinks, can help maintain the desired results of whitening. You can also read our other articles in the Health category.