Veneers is a thin sheet of restorative paste on the surface of the teeth, generally veneers for front teeth, some people may feel that the teeth color is not good, or the shape is not good, may also be the incisors have a gap and other issues. Porcelain veneers is a good indication, because porcelain veneers abrasion of tooth tissue is relatively small, and finally achieve a better restorative effect, so porcelain veneers are mainly used for front teeth to improve the aesthetic. Veneers because of its own less abrasion of tooth tissue, so from the point of view of preservation of tooth tissue and minimally invasive considerations, is certainly better than the choice of full crown. However, precisely because of less abrasion, and is affixed to the surface of the tooth, relative to the dental full crown restoration will be more likely to fall off, requiring in the process of veneer restoration need to strictly grasp the indications, and according to the standard process to do the tooth preparation and veneer bonding, in order to achieve the veneer to maximize the use of the life of the veneer.