![]() A bleaching product is painted onto your teeth and then a light or laser is shone on them to activate the whitening. Laser whitening, also known as power whitening, is another type of teeth whitening system that a dentist can provide. Some whitening gels can be left on for up to 8 hours at a time, which can shorten the treatment period. ![]() Then, using your mouthguard at home, you regularly apply the gel for a specified period of time over a few weeks. The dentist will take an impression of your teeth to make a mouthguard and tell you how to use it with a bleaching gel. If you have your teeth whitened you'll first need to make 2 to 3 visits to the dental surgery. You can also buy DIY home teeth whitening kits but these may also carry risks. Some beauty salons offer teeth whitening, but this is illegal if there's no dental professional present, and it may put your oral health at risk. Teeth whitening is a form of dentistry and should only be carried out by a dentist or another regulated dental professional, such as a dental hygienist or dental therapist, on the prescription of a dentist. It can't make your teeth brilliant white, but it can lighten the existing colour by several shades. Teeth whitening involves bleaching your teeth to make them lighter. But does teeth whitening work and is it safe? Here are the answers to common questions about the treatment. More and more people are paying for brighter, whiter teeth. Image was incorporated into the webpage during the subscription term and can be used indefinitely in the same page - subject to thinkstock subscription rules.More info is at the bottom of this page regarding ThinkStock licensing: Lacheev / Thinkstock The stock library no longer exists.
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