Many people are interested in whitening their teeth, and there is no shortage of products and claims on the market. But before you decide to bleach your teeth, be sure you understand how whitening works and what the expectations should be.
Tooth whitening is a safe procedure when done under the supervision of a dental professional, says Dr. Clemons. The most common side effects are temporary tooth sensitivity and gum irritation. However, lab research has indicated the possibility of tooth erosion, degradation of the tooth microstructure, and increased susceptibility to demineralization from very aggressive whitening regimens.
Teeth Whitening: Comparing Professional vs. At-Home Treatments
Whitening works by removing organic debris from the enamel surface of the tooth. This makes the underlying dentin appear brighter. Most people see a lightening of two to seven shades. Teeth whitening can also make the gums look more healthy.
The bleach of choice for in-office whitening, where time is limited, is powerful and fast-acting hydrogen peroxide, which breaks down into water and oxygen molecules. Over-the-counter products use slower-acting carbamide peroxide, which has about a third of the strength of hydrogen peroxide.
Once the stains have been lightened, good oral hygiene practices will help you maintain your beautiful new smile. Be sure to brush twice a day, floss and rinse frequently to remove food debris and prevent the formation of new stains. You should also avoid stain-causing foods and beverages, including red wine, dark sodas, coffee, berries, and ketchup. You should also quit smoking to improve your oral health and extend the results of your whitening treatment.…