How Is Tooth Whitening Done?
There are two commonly used methods for bleaching: at-home and in-office. Both begin with an office consultation to determine if the patient is a good candidate for the bleaching process. The at-home technique is the most popular and least expensive. The in-office method allows the dentist to place a higher concentration of bleach over the teeth. At-Home Method A custom mouth piece or tray is made to fit your teeth by the dental office. This tray fits over the patient’s teeth and holds the bleaching material against the teeth for a specified period of time. There are different concentrations of bleach that are worn via the tray for one to five hours per day for an average of 10 to 14 days. The regimen will be determined by the dentist and may differ for each patient. If the teeth become more sensitive to hot and cold, a desensitizing material may be used in the same tray on alternating days. Results are usually excellent with this method. In-Office Method The gum tissues are covered to protect them from being irritated by a higher concentration of the bleaching material. The bleach is then activated by a high intensity light or a laser to accelerate the process. This method is usually repeated at separate appointments and is considerably more expensive than the at-home method. Most patients require a touch-up after one to five years, depending on the patient’s habits and desires.
Tooth whitening restores natural tooth colour and bleaching whitens beyond the natural colour.There are many methods to whiten teeth, such as brushing, bleaching strips, bleaching pen, bleaching gel, laser bleaching, and natural bleaching.
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