Mouth opening and closing may be temporomandibular joint dislocation, need to be reset by manipulation, and fix the joint, as follows.
1. After acute dislocation of the temporomandibular joint, it needs to be reset in time, usually using the intraoral method, the doctor will put the thumbs of both hands on the jaw surface of the back teeth on both sides, and the other fingers will grasp the mandible, and press the mandible down, and at the same time gently backward, so as to make the condyles slide back into the joint fossa.
2. After reset, in order to repair the ligaments, articular disc attachments and joint capsule which are damaged due to excessive pulling, the jaw should be fixed for about 2~3 weeks after reset, and the open jaw movement should be restricted, during which the opening should not be more than 1cm.
It is recommended to go to regular medical institutions to receive professional treatment.