Teeth whitening, also called bleaching, is one of the easiest ways to enhance your overall smile. The white color of the teeth is imparted by a layer of enamel and the layer of dentin underneath it. The stains on teeth can be extrinsic or intrinsic. Extrinsic stains are outside the teeth and can be due to coffee, tea, tobacco and inadequate dental hygiene. Intrinsic stains, on the other hand, are inside the teeth itself and can be because of a wide range of causes such as childhood exposure to excessive fluorides, use of antibiotics such as tetracycline, trauma, etc.
Nowadays, people can either go to the dentist or choose to use a home whitening kit to brighten their smile. Obviously, the in-office option would be the best option for the optimal results. It is much stronger than whitening toothpastes, whitening mouthwash, or even the home kits that are sold. Tooth whitening is a very safe procedure and usually side effects are not that serious. Although, your teeth might be sensitive to very hot or cold temperatures. Some people also may also experience some transient gum irritation.