As we grow older, our teeth grow darker in shade due to a host of reasons like tartar development, tea, cigarette smoking, antibiotics and other things we consume that could alter our teeth colour. Teeth can also darken due to extended antibiotic use. In these cases, teeth whitening is used to lighten the colour of the tooth enamel. While this procedure does not return teeth to their natural shade, it does make the existing shade lighter and more presentable.
The procedure is usually done through professional dental bleaching. This can be done at home, over time, or at a dental clinic by a dentist.
Dentist-supervised home whitening is where the dentist prepares a whitening solution based on the needs of your mouth, teeth and gums and sends you home with a tray with the solution and instructions on how to use the gel.
Carbamide peroxide and hydrogen peroxide are often used in the chair-side whitening method where a shield is placed over your gums to protect them as the solution is applied to your teeth in order to oxidize it and lighten it. This method is done in the clinic under the supervision of a qualified dentist.
Most times, teeth whitening is done to protect gums from damage and whiter teeth is an added benefit in these cases.
Brush your teeth thrice a day for at least two minutes, with fluoride toothpaste.
Reduce intake of sweet/sugary foods and fizzy drinks
Make regular appointments with your dentist.