Whitening can also be done by using a special gel that is placed in a flexible custom tray worn around the teeth for a particular period of time. After this tray is removed, you should use a second whitening agent and a special light which activates the chemical reaction. Whitening agents react with tooth enamel and this reaction oxidizes the stain deposits.
The tooth whitening procedure becomes effective after the bleaching agent sinks into the dentine layer. After it is complete, it eliminates all signs of discoloration. This procedure can be performed in two ways. In the first method, a dentist applies a layer of oxidizing agent to the dentine layer and then flushes it away after a certain period.
Generally, a 35 percent hydrogen peroxide equivalent is used to perform tooth whitening. This method is effective and the results are seen within a short period. However, it involves some risk such as soft tissue damage. This is not something to worry about if you have the procedure performed by an experienced dentist. This professional will do his or her best to ensure that your soft tissues do not get damaged.
The other bleaching method that a dentist can use involves placing the whitening agent in a strip that is then attached to the teeth. This strip is not removed right away. It has to stay in place for some hours or days depending on what a dentist recommends. Even if it takes a while to work, it is safe because the risk of soft tissue damage is significantly reduced.
Certain kinds of stains like those caused by the prolonged intake of antibiotics like tetracycline usually take a while to respond to whitening procedures. If your tooth discoloration is caused by taking antibiotics for extended periods, you need to go through several bleaching procedures so that the bleach can get into the dentine layer to bring about the results you want. The recently introduced tooth whitening procedures use light to increase the whitening effects of bleach
Tooth whitening procedures are effective in eliminating stains and discoloration but the results vary from person to person. Tooth sensitivity can increase after you undergo the procedure. For this reason, it is wise for you to avoid drinking very cold or hot beverages a few hours after the procedure. Your dentist may recommend that you undergo a fluoride treatment to reduce sensitivity.
Teeth bleaching services are usually not covered by typical dental insurance. If you cannot afford to visit the office of a dentist to undergo the procedure, you can choose to utilize tooth whitening kits. They are available at drug stores and you can easily use them at home. They are just as effective as the whitening procedures performed by professionals. However, these kits take about a week to work.
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