The difference between bony and dental antomandibular is that the causes of formation and clinical manifestations are different. 1. Different reasons for the formation of different: Bone antimandibular is mostly due to heredity, or other congenital diseases caused by underdevelopment or overdevelopment; Dental antimandibular is mainly due to bad biting habits, teeth are not aligned with the cause of the antimandibular. 2. Clinical manifestations are different: bony antimandibular face is concave, the maxilla is underdeveloped, and the mandible is obviously protruding and covering; dental antimandibular, most of the antimandibular teeth are not aligned properly, and the antimandibular jaws are covering a small amount of the teeth, or accompanied by the posterior teeth are antimandibular, but they are functional antimandibular, and the teeth of the lower jaw can be backed up to the opposite edge of the jaw. Anti-mandibular need to seek medical attention in time, under the guidance of the doctor for early treatment, to avoid delays in the condition.