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Tooth bleaching or whitening is not new in dentistry; in fact some techniques are 120 years old! Modern whitening, however, is simple, safe and involves no major dental work or damage to your teeth. Teeth tend to change colour over time and they usually yellow with age. These changes can be reversed with a tooth whitening procedure, which is the simplest dental treatment that you can have to change your smile.
Current modern techniques are very straightforward, and are usually done by you at home over a period of weeks with supervision and instructions provided by your dental team. Alternatively, you can have your teeth bleached at a dental surgery.
If you are considering bleaching your teeth, the following information will give you a basic understanding of the procedure. It can't answer all your questions, since a lot depends on the individual. Please ask your dentist about anything you don't understand.