Result: Mean age in the study was 47.9 ± 19.1 years, male / female ratio (2: 1); Causes of disease: Ameloblastoma (43.3%), cancer (16.7%), mandibular osteonecrosis (36.7%), other (3.3%); Defects L (53.3%), H (20%), HC (3.3%), LCL (20%), HCL (3.3%). Success rate (90%), excellent outcome (46.7%), good (43.3%), poor (10%), postoperative complications (23.3%).