1, experts say that patients with facial paralysis are not suitable for mandibular angle plastic surgery;

2. People with scar constitution;

3. Patients with serious medical diseases, such as heart disease, hepatitis, nephritis, pneumonia, or some oral infection sources such as tooth decay, periodontitis, oral ulcer, etc., are not suitable for mandibular angle plastic surgery;

4. Female friends should not have mandibular angle plastic surgery during menstruation;

5, nerve injury, mandibular angle plastic surgery may damage the mandibular marginal branch of the facial nerve, leading to paralysis, deformation and asymmetry of the upper and middle parts of the platysma muscle and the descending muscle;

6, mental abnormality, wonderful beauty, different actual requirements for surgery;

7. Children and minors.