Mandibular fracture treatments are to improve the patients function and aesthetics, but it is not uncommon that postoperative complications to be present. Postoperative complications include surgical site infection, nonunion, malunion, malocclusion, nerve injury, scar tissue, Temporo-Mandibular Joint Disorder (TMD), as well as dental problem. This literature review aimed to understand and describe the postoperative complications of mandibular fractures based on previous studies.