Abstract:

Objective　To investigate the causes and treatment of the asymmetric prominent mandibular angle.Methods　 From 1996 to 2001, mandibular angle osteotomy, mandibular outer cortex osteotomy, mandible,genioplasty and buccal pad exci- sion were selected to treat 70 patients.Results　All the patients had satisfactory results with complications of bleeding, infection and labial scar in three patients.Conclusion　asymmetric prominent mandibular angle should be treated according to the charac- teristics of the deformity. Mandibular angle osteotomy, osteotomy of outer cortex of the mandible, genioplasty and bucal pad exci- sion can provide satisfactory result.

Key words: prominentmandibular angle, osteotomy of the mandibular angle, osteotomy of the outer cortex of mandible, genioplasty, buccal pad excision