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中华口腔医学研究杂志(电子版) ›› 2025, Vol. 19 ›› Issue (05) : 316 -322. doi: 10.3877/cma.j.issn.1674-1366.2025.05.005

病例分析

前牙区重度骨缺损的数字化修复1例
叶盛佳1, 钱文涛2, 袁芸1, 金夏悦1, 崔家瑞1, 黄慧1,()   
  1. 1上海交通大学医学院附属第九人民医院口腔修复科,上海交通大学口腔医学院,国家口腔医学中心,国家口腔疾病临床医学研究中心,上海市口腔医学重点实验室,上海市口腔医学研究所,上海 200011
    2上海交通大学医学院附属第九人民医院口腔外科,上海交通大学口腔医学院,国家口腔医学中心,国家口腔疾病临床医学研究中心,上海市口腔医学重点实验室,上海市口腔医学研究所,上海 200011
  • 收稿日期:2025-06-17 出版日期:2025-10-01
  • 通信作者: 黄慧

Digital restoration of severe anterior bone defect: A clinical report

Shengjia Ye1, Wentao Qian2, Yun Yuan1, Xiayue Jin1, Jiarui Cui1, Hui Huang1,()   

  1. 1Department of Prosthodontics, Shanghai Ninth People′s Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology; Shanghai Research Institute of Stomatology, Shanghai 200011, China
    2Department of Oral Surgery, Shanghai Ninth People′s Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology; Shanghai Research Institute of Stomatology, Shanghai 200011, China
  • Received:2025-06-17 Published:2025-10-01
  • Corresponding author: Hui Huang
  • Supported by:
    National Natural Science Foundation of China(82471008); Clinical Research Breakthrough Project in Stomatology of Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine(NCRC0202322)
引用本文:

叶盛佳, 钱文涛, 袁芸, 金夏悦, 崔家瑞, 黄慧. 前牙区重度骨缺损的数字化修复1例[J/OL]. 中华口腔医学研究杂志(电子版), 2025, 19(05): 316-322.

Shengjia Ye, Wentao Qian, Yun Yuan, Xiayue Jin, Jiarui Cui, Hui Huang. Digital restoration of severe anterior bone defect: A clinical report[J/OL]. Chinese Journal of Stomatological Research(Electronic Edition), 2025, 19(05): 316-322.

美学区种植修复风险较高,在临床中存在诸多挑战。近年来,随着数字化技术的发展,临床医师致力于将治疗的重心前移到初始设计阶段,指导后续手术以降低操作难度、提高治疗效果的可预测性,最终实现美观与功能的精准化恢复。在此过程中,各种数字化手段的有机结合使得上述目标逐步成为现实。数字化设计能够整合口内和面部扫描图像,合并电子面弓及锥形束CT(CBCT)数据进行三维重建,构建虚拟患者,实现修复效果的三维预测。"以终为始"的治疗理念由此得以贯彻,种植及修复各环节实现更高精度。本文报道1例应用数字化手段辅助上下前牙区重度骨缺损伴多牙缺失的患者重建微笑美学与功能的病例。在该病例诊疗过程中,通过整合多项数字化技术指导治疗计划的制定、美学效果分析预测及指导种植和冠设计,最终完成种植及冠修复。术后6个月复查修复效果良好,患者前牙美观和咬合功能显著改善,获得了良好的临床疗效。

Implant restoration in the aesthetic zone involves substantial clinical risks and challenges. With the application and development of digital technology, shifting the focus of treatment to the initial design phase to guide subsequent surgery, to reduce operational difficulty, to enhance the predictability of treatment outcomes, and ultimately to achieve precise restoration of aesthetics and function remains an ongoing exploration for clinicians. The organic integration of various digital tools has gradually made these objectives a reality. Digital design enables the integration of intraoral and facial scan images with electronic facebow and cone-beam computed tomography (CBCT) data, facilitating three-dimensional reconstruction and virtual patient modeling for restorative outcome prediction. The "start with the end" philosophy ensures precision throughout implant and prosthetic procedures. This case report demonstrates the application of digital workflows to restore smile aesthetics and function in a patient presenting with severe anterior bone defects and multiple missing teeth. A combination of digital technologies guided treatment planning, aesthetic simulation, and surgical-prosthetic execution, culminating in successful implant and crown rehabilitation. Six-month follow-up revealed optimal restorative outcomes, with significant improvements in anterior esthetics and occlusal function.

图1 前牙区重度骨缺损患者修复前正面像
图2 前牙区重度骨缺损患者修复前口内像 A:大笑唇齿关系;B:口内正面咬合像;C:左侧咬合像;D:右双侧咬合像;E:上颌牙列咬合像;F:下颌牙列咬合像。
图3 前牙区重度骨缺损患者修复前影像资料 A ~ C:上下前牙区及左上后牙缺牙区锥形束CT(CBCT);D:12、21拆冠后根尖片。
图4 前牙区重度骨缺损患者的术前数据采集、四维虚拟患者构建以及三维数字化微笑设计(DSD) A:3dMD面部扫描;B:口内牙列扫描;C:电子面弓记录下颌运动轨迹;D:锥形束CT(CBCT)数据;E:exocad软件中虚拟患者及虚拟架构建;F ~ G:二维及三维DSD设计正面相;H:虚拟患者及虚拟颌架上参考美学效果及设计静动态咬合;I:3D打印诊断蜡型;J:DSD设计后效果;K:12、22根管治疗后X线片。
图5 前牙区重度骨缺损患者的上下颌前牙区骨增量手术过程 A:下颌前牙区术前咬合像;B:下颌前牙区剩余骨宽度;C:下颌前牙区种植方向指示;D:下颌前牙区植入种植体,颊侧局部骨缺损;E:下颌前牙区骨缺损处行常规引导骨再生(GBR)术;F:下颌前牙区术后咬合像;G:上颌前牙区术前咬合像;H:上颌前牙区剩余骨宽度;I ~ K:上颌前牙区采用"香肠技术"行一期骨增量手术;L:上颌前牙区骨增量术后咬合像。
图7 前牙区重度骨缺损患者的种植临时修复,实现美学及咬合转移 7A:口内扫描制取印模;7B:在exocad中使用初始设计,进行局部调整,完成上前牙区临时修复设计;7C:在虚拟患者中,检查并确认该临时修复设计;7D:11、21种植临时冠及12、22树脂临时冠口内试戴正面像;7E:11、21种植临时冠及12、22树脂临时冠口内试戴咬合面观(咬蓝纸指示临时牙高点,于终修复设计中进行调整);7F:临时修复,大笑唇齿关系像。
图8 前牙区重度骨缺损患者的最终修复效果 A:终修复体;B:右侧咬合像;C:正面咬合像;D:左侧咬合像;E:正面像;F:下颌右侧方运动口内像;G:下颌前伸运动口内像;H:下颌左侧方运动口内像;I:修唇齿关系左侧像;J:正面微笑唇齿关系像;K:正面大笑唇齿关系像;L:唇齿关系右侧像。
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