The differences between veneers and crowns are mainly different definitions, different indications, and different amounts of tooth preparation. 1. Definition: Veneer is a kind of restoration that covers part of the tooth surface, while dental crown, also known as a dental sleeve, is an artificial crown made of different materials, which is put on the natural teeth that have been worn down. 2. Indications: Veneers are mainly used in various cases that require cosmetic dental restoration, such as enamel hypoplasia, dental fluorosis, tetracycline, discoloration, etc., and are generally only used for the restoration of the front teeth; while crowns have a wide range of indications, and can be used on both front and back teeth. 3. The amount of dental preparation: veneer grinding dental tissue less. Generally only grinding the lip side of a thin layer in the tooth tissue, is conducive to the protection of the pulp; crown relative grinding dental tissue, lip (cheek) tongue adjacent to the surface of the whole circle generally need to be ground.