口腔颌面外科杂志2023年2月第33卷第1期JournalofOralandMaxillofacialSurgeryVol.33No.1February,20233D打印钛合金植入体下颌骨修复重建远期效果观察1例张庆福(海军军医大学海军特色医学中心口腔科,上海200052)[摘要]目的:对3D打印个体化钛合金植入体进行下颌骨修复重建的远期效果进行观察和分析。方法:2013年12月对1例31岁女性左侧下颌骨成釉细胞瘤患者,在实施半侧下颌骨切除术的同时,利用预成3D打印个体化钛合金植入体进行即刻修复重建,并对修复重建效果进行随访观察。结果:患者术后病情稳定,无复发现象,患者对下颌骨修复重建后的功能和形态均满意。结论:7年的随访观察显示,采用3D打印个体化钛合金植入体进行下颌骨修复重建,能够取得稳定的远期临床效果。该方法手术步骤简单、治疗周期较短,特别是避免了自体骨移植的痛苦和损伤,其效果与正确的适应证选择、合理的植入体设计密切相关。[关键词]下颌骨修复重建;钛合金植入体;3D打印[中图分类号]R782[文献标志码]BDOI:10.3969/j.issn.1005-4979.2023.01.012Long-termeffectofmandibularreconstructionwithcustomizedprosthesisoftitaniumalloyprefabricatedby3Dprinting:AcasereportZHANGQingfu(DepartmentofStomatology,NavyMedicalCenter,NavalMedicalUniversity,Shanghai200052,China)[Abstract]Objective:Toobserveandanalyzethelong-termclinicaleffectofmandibularreconstructionwithcustomizedmandibleprosthesisoftitaniumalloyprefabricatedby3Dprinting.Methods:A31-year-oldfemalepatientwhowasdiag-nosedwithameloblastomaontheleftmandiblewassurgicallytreatedwithleftmandibulectomyandimmediatelymandibu-larreconstructionwithprefabricatedmandibleprosthesisinDecember2013.Thelong-termeffectofreconstructionwasfollowedup.Results:Theconditionofthepatientwasstableinthepast7yearsandnosignofrelapsewasfound.Thefunctionofmasticationwasnormalandthepatientwasverysatisfiedwiththereconstructedformofthemandible.Conclusion:Theeffectinthefollow-upperiodof7yearsverifiedthatlong-termstableindividualreconstructionofwidemandibledefectcouldbeachievedwithcustomizedprosthesisoftitaniumalloythatprefabricatedby3Dprinting.Themethodcouldsimplifytheprocedure,sharplyshortentheperiodofoperationandavoidthesufferingandthepainofauto-...