Missing teeth can have adverse effects on a person’s entire mind and body. The adverse effects of tooth loss and missing teeth are summarized as follows: 1, missing front teeth affect the face and pronunciation, the more teeth missing, the greater the impact; 2, missing teeth are not conducive to food intake and chewing, making the recipe narrower, food crushing is restricted, and can therefore increase the burden on the gastrointestinal system; 3, missing teeth can cause the neighboring missing teeth gap teeth to tilt and shift to the missing area, so that the surviving teeth lose the normal adjacent 4. Missing teeth can cause the elongation of the opposing teeth, resulting in misalignment of the bite, which can cause temporomandibular joint disease in serious cases; 5. may make Alzheimer’s disease come early.