Abstract: Objective: To analyze and summarize the complications after titanium-plate used oral and maxillofacial surgeries, and put forward corresponding prevention and treatment strategies. Methods: This retrospective study included 28 cases with bared titanium plate, loosed or lost screws, or fractured titanium plate. Meanwhile, the type of surgery, situation during the surgery, and time of complications were analyzed. Results: The bared titanium plate, and loosed or lost screws were mainly caused by the excessive tension of local soft tissue, defective debridement, unhealthy bone segments fixed by titanium plate and irregular operation. In addition, bending titanium plate repeatedly, or the crack drill close to titanium plate edge during the surgery could easily lead to the post-operative fracture of titanium plate. Conclusion: The position and operation process of titanium-plate should follow the basic principles of rigid internal fixation. In titanium plate placed area, soft tissue should not be excessively stretched or damaged. Additionally, it is suggested to reduce the number of bending the titanium plate during the surgery and cautiously use the rigid internal fixation technology in seriously polluted or secondary infected bone wound.

Key words: Rigid internal fixation technology, Complications, Prevention