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Discolorations and yellowing of teeth can occur because of the natural aging process, consumption of staining substances (coffee, tea, colas, tobacco), trauma, nerve degeneration, and old restorations. During tooth formation, certain antibiotics may also cause tooth discoloration.
This process can be reversed with a special gel whose active ingredient is carbamide peroxide. The gel is placed into a professionally custom-made soft tray that fits your teeth. As the gel is broken down, oxygen enters the enamel and dentin and bleaches the coloured substances. The gel filled trays are worn for 1/2 hour each day or twice daily for 10 to 14 days.
The whitening process is effective on most discolored teeth. Darker stains, such as those caused by antibiotics are more difficult to whiten. The degree of whiteness will vary from patient to patient, depending on the structure of the tooth. |
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