deformities of mandibular with normal jaw, prognathism and petrognathia

deformities mandibular normal jaw prognathism petrognathia symptom medical poster vector illustration cranio defects facial cosmetic disorder deformity retrognathia retrognathic malocclusion orthognathic underbite protrusion occlusion protruding maxilla reconstruction advancement surgical progenism orthognathism receding problem skeletal orthodontic dentofacial osteotomy syndrome dysfunction corrective distal resistance obstructive abnormality congenital healthcare health care medicine