Veneers are thin shells of porcelain and are fabricated in a dental laboratory. The porcelain blends with the enamel of natural teeth and allows light to pass through, giving the veneers a natural appearance. They are be used to change the shape and colour of teeth but need as opposed to crowns only a small amount of grinding it is a very conservative and tooth saving way to permanently alter the outer appearance of teeth. In many occasions this can be done painless even without local anesthesia. They are bonded onto your natural teeth and so provide an esthetic result. On some occasions even an older or discoloured crown that is otherwise fitting perfectly can be saved by replacing the outer side with a ceramic veneer.