前牙舌面形态复制技术在牙冠修复中的初步应用  

Application of copying original lingual morphology of anterior teeth in ceramic crown design

作　　者：胡慧君 杨洁[4] 朱文卿 邵水易[1,2,3] HU Huijun;YANG Jie;ZHU Wenqing;SHAO Shuiyi(Department of Second Clinical Division,The Affiliated Stomatological Hospital of Nanjing Medical University,Nanjing 210000,China)

机构地区：[1]南京医科大学附属口腔医院第二门诊部,江苏南京210000 [2]江苏省口腔疾病研究重点实验室,江苏南京210029 [3]江苏省口腔转化医学工程研究中心,江苏南京210029 [4]南京医科大学附属南京医院(南京市第一医院)口腔科,江苏南京210006 [5]南京医科大学附属口腔医院口腔特诊科,江苏南京210029

出　　处：《口腔医学》2024年第8期581-585,共5页Stomatology

基　　金：国家自然科学基金(82201096);南京医科大学科技发展基金(NMUB20220076)。

摘　　要：目的通过数字化技术复制患者美学区原牙舌面形态进行修复体设计,探索更优的修复体设计方法,降低修复体异物感。方法收集2022年7月至2023年12月于南京医科大学附属口腔医院第二门诊部就诊的前牙牙体缺损需行全冠修复治疗的患者,采用牙形数据库中自动匹配的牙齿形态进行冠修复体设计的患者作为对照组,采用数字化技术复制原牙舌面形态进行冠修复体设计的患者作为试验组,比较两组修复体最小咬合间隙、咬合评价及异物感评价的差异。结果结果显示试验组修复体的最小咬合间隙大于对照组,差异具有统计学意义。试验组修复体的医师咬合评价优于对照组,差异具有统计学意义。试验组修复体异物感也显著小于对照组。结论利用数字化技术复制原牙舌面形态设计的修复体具有更优的舌面咬合关系,且具有更弱的异物感和更好的舒适度。Objective To explore better methods of ceramic crown design and reduce foreign body sensation of prostheses by digitally replicating the lingual morphology of the original teeth in the patients aesthetic zone.Methods Patients with anterior tooth defects were collected from July 2022 to December 2023 at Department of Second Clinical Division of the Affiliated Stomatological Hospital,Nanjing Medical University.Patients with crown prostheses designed using automatically matched tooth morphology from the tooth shape database served as the control group.Patients with crown prostheses designed using digital technology to replicate the lingual morpholo⁃gy of the original teeth were used as the experimental group.Differences in occlusal evaluation and foreign body sensation evaluation of the prostheses in the two groups were compared.Results Results showed that the minimal interocclusal distance of the experimental group was greater than that of the control group,and the difference was statistically significant.The occlusal evaluation of the prostheses in the experimental group was better than that of the control group,and the difference was statistically significant.The foreign body sen⁃sation of the prostheses in the experimental group was also less than that of the control group.Conclusion Prostheses designed using digital technology to replicate the original lingual morphology of the teeth have a better lingual occlusal relationship with less foreign body sensation and better comfort.

关 键 词：牙齿形态复制 口内扫描 修复体 美学区 

分 类 号：R783.3[医药卫生—口腔医学]