The difference between zirconium dioxide porcelain teeth and all-ceramic teeth is mainly reflected in the material and indications. 1. Material: zirconium dioxide porcelain teeth are mainly made of surface layer of zirconium dioxide porcelain material and the inner layer of metal material; and all-ceramic teeth are all made of zirconium dioxide and other ceramic materials, its transparency and luster is better than zirconium dioxide porcelain teeth, and does not affect the MRI examination. 2. Indications: zirconium dioxide porcelain teeth its solidity is better than all-porcelain teeth, so it is mainly suitable for chewing force is greater in the posterior teeth restorative treatment; and all-porcelain teeth because of the texture of its material is closer to the natural teeth, so it is more suitable for front teeth missing aesthetic restorative treatment. Missing teeth are recommended to seek medical advice under the guidance of a doctor to choose the appropriate restorative materials, in order to avoid affecting the aesthetic and chewing efficiency.