Bleaching is a common and popular chemical process used to whiten teeth. Some people get their teeth bleached to make stains disappear, while other just want a whiter shade.
Discoloration occurs in the enamel and can be caused by medication, coffee, tea and cigarettes. Discoloration also can be hereditary or due simply to getting older.
Bleaching can be performed by your dentist in the office or, under dental supervision, at home. Many patients enjoy bleaching at home because it is more convenient. Treatment begins when your dentist creates a custom mouthpiece to ensure the correct amount of whitening solution is used and that your teeth are properly exposed. Typically, whitening at home takes two to four weeks, depending on the desired shade you wish to achieve. Whitening in the office may call for one or more 45-minute to one-hour visits to your dentist's office.