It is actually a bleaching process that lightens discoloration of enamel and denting.
Tooth discolourations are of 2 types, internal and external. External discolouration are caused by the consumption of staining substances like tea, coffee, colas, pan, pan masala, supari, tobacco, smoking etc. these discolourations are easy to remove and teeth becomes lighter quickly.
Internal discolorations occur due to disturbance in the structure of the tooth. Common causes are ageing, trauma, excessive use of antibiotic (tetracycline) and fluoride during the early stages of tooth development, nerve degeneration and old restorations. These discolourations are more resistant to treatment and take a little longer to become lighter.
Almost everyone can benefit from tooth whitening. Ideal for those people who would like to have a whiter, brighter smile.
There are two techniques which are commonly used to brighten teeth.
1. DENTIST SUPERVISED AT HOME TECHNIQUE
This system uses a mild bleaching gel which is retained in a custom fitted tray that fits over your teeth the appliance is to be worn for a few hours a day. You have the option of using this system, either during the day or while sleeping at night.
2. INOFFICE TECHNIQUE
Whiter teeth in 1 hour it's that simple. Years of staining from coffee, tea, red wine and cold are magically erased giving you teeth up to 8 shades whiter in a ZOOM procedure your gums and lips are protected with special barrier materials whitening gel is applied on your teeth and cool blue light activates it. The procedure is complete in an hour.
Advantage of this procedure is that the results obtained are faster and more reliable. This technique is also more effective for teeth with persistent stains and localized spots or streaks.