2. Make sure there is no source of infection in the mouth, such as oral ulcer.

3, women choose cheekbone plastic surgery, avoid menstrual period, do not have surgery during lactation or pregnancy.

4. Take a picture of the head before the operation, so as to compare it after the operation and see how the effect is after the operation.

5. gargling with compound borax before operation can ensure the cleanliness of the mouth.

6. Do not smoke or take aspirin before operation. , so as not to adversely affect the operation.