Oral and maxillofacial surgery is surgery to treat many diseases, injuries and defects in the head, neck, face, jaws and the hard and soft tissues of the oral (mouth) and maxillofacial (jaws and face) region. It is an internationally recognized surgical specialty.

An oral and maxillofacial surgeon is a regional specialist surgeon treating the entire craniomaxillofacial complex: anatomicalarea of the mouth, jaws, face, skull, as well as associated structures.