Tooth whitening is a procedure to carry out the cosmetic bleaching of teeth.
Two main products are used; either carbamide peroxide or hydrogen peroxide at different strengths. They can be applied to the teeth in the dentists’ treatment room (also known as power whitening) or at home by applying the product in gel form in a special mouthguard; either during the day or at night.
There are many reasons why teeth should discolour including staining from tea, coffee, red wine, coloured foods like liquorice, curries and of course through smoking.
The tooth whitening procedure can be suitable for most people but it will not affect or change the colour of existing fillings, crows or dentures. Some discoloration cannot be treated and some will take longer to treat. A dentist can advise at the first consultation. It is advisable not to have it done during pregnancy, breast feeding or if you are allergic to any of the products. The only side effect is mild sensitivity which ceases after the procedure is stopped.
Whitening toothpastes can also help removing food stains but do not affect the natural colour of teeth. They can be helpful to maintain the brightness of whitened teeth.
The results of professional whitening can be immediately apparent especially with power whitening but need to be supplemented with the home (tray) whitening.
They can last for up to 3 years. The results can be affected by diet and habits.
Tooth whitening should only be carried out by and under supervision of a dentist. You should be properly assessed beforehand. Over the counter products may damage your teeth. Please always check with your dentist first.
To maintain your brightened smile it is advisable to use whitening toothpastes, an electric toothbrush and regularly visit your dentist for check-ups to ensure healthy teeth and gums.
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