Anterior teeth protrusion, that is, buckteeth, usually needs to be extracted to obtain clearance, so as to achieve the purpose of adduction of anterior teeth and relieve facial protrusion, thus making the patient's facial profile more beautiful. However, the extraction of anterior teeth protrusion is not 1%, and there are cases where tooth extraction is not needed to correct it. The specific situation still requires the patient to go to a regular dental institution himself. ...