Objective: To investigate the method for mandible osteotomy in order to make the mandible of various square face appear harmony.
Methods: According to different types of the mandible, mandible angle osteotomy was performed in combination with mandible edge, mandible half ring osteotomy or chin augmentation.
Results: A total of 312 cases have been treated since 1996. In this series, mandible angle and mandible edge osteotomy was performed in 200 cases; only mandible edge osteotomy in 23; mandible half ring osteotomy in 15, chin sharpening in 9, chin augmentation with autogenous bone implantation, in 32. Postoperative follow-up of 150 cases for 1-12 months showed that the satisfactory rate was 97%.
Conclusion: Integrated mandible osteotomy can make the square face look natural and nice-looking.