The article evaluates 12 cases of conservative treatment of displaced mandibular fractures in adults. Twelve cases of displaced mandibular fractures treated surgically, either by closed reduction (IMF) or open reduction internal fixation (ORIF) served as controls. Occlusion, maximal mouth opening, lateral jaw movements, neurological dysfunction (=sensory deficit), and bone remodeling were evaluated and scored in both groups, and results were compared. No significant differences were found between the two groups in all the evaluated parameters. It is concluded that in certain cases, with displacement of 2 - 4 mm, where a surgical approach is not feasible, reasonable spontaneous reduction and bone remodeling can occur. Meticulous follow-up is mandatory.