Tooth whitening can be a very effective way of lightening the natural colour of your teeth without removing any of the tooth surface. It cannot result in a  complete colour change, but it may lighten the existing shade.

Tooth whitening lightens teeth and helps to remove stains and discoloration. Whitening is among the most popular cosmetic dental procedures because it can greatly improve how your teeth look. Whitening is not a one-time procedure. It will need a few repeat appointment.

The most common reasons for teeth to get yellow or stained are:
• Using tobacco
• Drinking dark-colored liquids such as coffee, cola, tea ,red wine and aerated drinks.
• Not taking good care of your teeth
• Ageing makes teeth less bright as the enamel gets thinner and the dentin becomes darker.