What Is Tooth Whitening?
Tooth whitening is a process that bleaches the teeth, removing it of stains on the enamel and dentin to affect a lightening of any discoloration present. A common tooth whitening procedure uses carbamide peroxide poured over a custom mouth-guard worn over the teeth.
What Is Tooth Discoloration?
Defining tooth discoloration depends upon its many causes and it is important to distinguish between an external and internal stain.
external stains: tobacco, tea, coffee and juices like grape and apple, coffee, tea and tobacco
internal stains: excessive fluoride (during teeth formation), aging, trauma, nerve deneration, tetracycline (while teeth are forming)
Only professional whitening procedures such as the custom tray bleaching can remove both internal and external stains. Over-the-counter tooth whitening products like toothpastes only remove the external stains.
Who Can Undergo Tooth Whitening?
Anybody can benefit from a tooth whitening procedure. A certain procedure though may be less effective for some people. Patients whose teeth are stained by tetracycline may experience difficulty in achieving the...
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