0.2mm. Grammy veneer is as thin as contact lens, which rises in Europe, America, China, Japan and Korea. It is an ultra-thin all-ceramic veneer with a thickness of 0.22 mm. Grammy ultra-thin porcelain veneer is the first high-quality porcelain veneer technology introduced by malt oral cavity, which is particularly prosperous in the entertainment circle. According to the characteristics of teeth, personal tailor can realize tooth whitening and appearance beautification without grinding teeth.