数字化印模和合金夹板印模对种植冠桥修复体边缘密合度的影响  

The Effect of Digital and Alloy Splint Impressions on the Marginal Fit of Implant Crown and Bridge Restorations

作　　者：李琳[1] 黄丽云 曾苹苹 邓丽[1] 张敬雷 吕晓君 孔丽青[1] LI Lin;HUANG Liyun;ZENG Pingping(The 909 Hospital of the Joint Logistic Support Force of the People's Liberation Army,Fujian Zhangzhou 363000,China)

机构地区：[1]中国人民解放军联勤保障部队第909医院口腔科,福建漳州363000

出　　处：《河北医学》2022年第9期1546-1550,共5页Hebei Medicine

基　　金：福建省自然科学基金项目,(编号:2016J01576)。

摘　　要：目的:对比数字化印模和合金夹板印模对种植冠桥修复体边缘密合度的影响。方法:前瞻性选取2019年1月至2021年1月中国人民解放军联勤保障部队第909医院120例行种植冠桥修复患者作为研究对象,随机分为观察组(合金夹板印模)与对照组(数字化印模)两组,每组60例。观察3个月,比较两组治疗前后修复牙牙周指标,随访修复体不良情况发生率及修复体边缘密合度,问卷调查患者满意度。结果:治疗前,两组患者各项牙周指标差异无统计学意义(P>0.05)。治疗后,观察组患者菌斑指数、牙周袋深度、牙龈指数、出血指数均明显低于对照组,差异有统计学意义(P<0.05);观察组患者修复体发生过长或过短、早接触的比率(3.3%,5.0%)明显低于对照组(13.1%,16.7%),差异有统计学意义(P<0.05),两组患者悬突及过松或过紧发生率差异无统计学意义(P>0.05);观察组患者修复体在A1点、A2点、A3点、A4点、A5点的边缘密合度均明显低于对照组,差异有统计学意义(P<0.05);观察组患者总满意度(95.0%)明显高于对照组(80.0%),差异有统计学意义(P<0.05)。结论:相比数字化印模,合金夹板印模可提升种植冠桥修复体边缘密合度,有利于改善患者牙周指标,减少修复体过长或过短、早接触等的发生,患者满意度高,值得临床推广应用。Objective:To compare the effect of digital impression and alloy splint impression on the edge of implant crown and bridge restoration.Methods:120 patients with crown and bridge implantation from January 2019 to January 2021 in our hospital were prospectively selected as the subjects,and randomly divided into observation group(alloy splint impression)and control group(digital impression),with 60 cases in each group.The two groups were observed for 3 months,and the periodontal indexes of the two groups before and after treatment were compared.Patients were followed up for the incidence of defective restorations and the degree of closeness of the edges of the restorations and surveyed on satisfaction.Results:There was no significant difference in periodontal indexes between the two groups before treatment(P<0.05);the plaque index,periodontal pocket depth,gingival index and bleeding index in the observation group were lower than those in the control group after treatment,and the differences were statistically significant(P<0.05);the ratio of prostheses that were too long or too short and early contact in the observation group(3.3%,5.0%)was significantly lower than that of the control group(13.1%,16.7%),the difference was statistically significant(P<0.05);there was no statistically significant difference in the incidence of overhang and over-loose or over-tightening(P>0.05);the observation group had lower edge consistency at A1,A2,A3,A4 and A5 points than the control group,and the difference was statistically significant(P<0.05);the patient satisfaction in the observation group(95.0%)was significantly higher than that in the control group(80.0%),and the difference was statistically significant(P<0.05).Conclusion:Compared with digital impressions,alloy splint impressions can improve the tightness of the edge of implant crown and bridge restorations,which improves the patient's periodontal indicators,reduces the occurrence of too long or too short restorations,and early contact,etc,and patient satisfaction is high,which

关 键 词：种植冠桥修复体 数字化印模 合金夹板印模 边缘密合度 牙周指标 

分 类 号：R783.3[医药卫生—口腔医学]