Conclusion The effect for patients with mandible multiple fracture treated with rigid internal fixation and intermaxillary traction is better than that of only rigid internal fixation.

• 结论多发性骨折、粉碎性骨折坚固内固定术后应行颌间牵引，此法比单纯使用坚固内固定术有更明显的治疗效果。