CAD/CAM制作个性化钛网联合髂骨移植重建单侧下颌骨大型轮廓缺损

目的 探讨CAD/CAM技术联合个性化预成型钛网及游离髂骨移植修复单侧下颌骨大型轮廓缺损的可行性及有效性.方法 选取四川大学华西口腔医院正颌及关节外科2015年11月—2019年12月的15例单侧下颌骨大型轮廓缺损的患者.采用基于逆向工程的计算机辅助设计/计算机辅助制作(CAD/CAM)技术,镜像重建患侧下颌骨轮廓并制...

Reconstruction of unilateral large-sized mandibular contour defects using CAD/CAM and individualized titanium mesh combined with iliac bone graft

Objective To explore the feasibility and effectiveness of using CAD/CAM combined with individualized titanium mesh and iliac bone graft to repair unilateral large-sized mandibular contour defects. Methods From November 2015 to December 2019, fifteen patients with unilateral large-sized mandibular contour defects were enrolled in this study. Personalized preformed titanium mesh and mandible models were fabricated by computer-aided design/computer-aided manufacture (CAD/CAM) based on reverse engineering to reconstruct mandibular contour defect. Two patients accepted genioplasty to adjust the deflective region. Length of the bilateral mandibular ramus and mandibular body and its three-dimensionality were measured and compared to analyze symmetries of mandibular contour after surgery. Results All patients have satisfactory results and no adverse complications. Measurements showed satisfactory symmetries of mandibular contour in the 3D position after surgery (P>0.05). Conclusion The study suggests that this technique was feasible and efficient for the reconstruction of unilateral large-sized mandibular contour defects.