Composite veneers are tooth colored materials which are matched with your natural tooth color shade , applied in layers to the tooth surface and sculpted directly in your mouth to achieve your desired tooth appearance. You can use veneers when your teeth is chipped/discolored or in some cases when there are minor misalignment.
This procedure is an aesthetic procedure, which means it is mainly to give your teeth a beautiful look/appearance. The procedure is not harmful to your natural teeth and it can last for a very long time.