The correct term for buck teeth is maxillary protrusion, there is no authoritative literature on the fastest way to treat maxillary protrusion, you can choose orthodontic treatment or full crown and other ways to repair, as follows. 1. Orthodontic treatment: If it is dental protrusion, orthodontic appliances can be used to retract the protruding maxillary anterior teeth in order to achieve a normal overlay coverage relationship. If it is bony anterior protrusion, it is also necessary to cooperate with orthognathic surgery for joint correction. 2. Full crown restoration: If the degree of maxillary protrusion is large, full crown can be used to change the shape of the crown to improve the symptoms of maxillary protrusion. It should be noted that if there is a possibility of pulp penetration in the process of tooth preparation, it is necessary to undergo root canal treatment before full crown restoration. The same disease, the patient’s condition is different, the choice of treatment is different, it is recommended to visit the hospital to receive targeted treatment.