压膜保持器对改善58例种植修复体邻接触丧失的效果评价

doi:10.19438/j.cjoms.2022.01.012

摘要/Abstract

摘要： 目的: 探讨真空成型的压膜保持器（VFR）对改善种植修复体邻接触丧失的临床效果。方法: 选择湖北省中医院2019年6月—2020年10月接受后牙种植单冠修复（均采用Straumann种植体）患者58例。根据临床随机病例对照研究分为2组,每组29例,合计116个种植单冠邻接面。实验组白天不配戴压膜保持器,夜间配戴;对照组白天夜间均不配戴。分别在冠修复后即刻,1、3、6与12个月检查种植牙及天然牙的牙周探诊深度（PD）、松动度（M）、牙龈出血指数（BI）,半定量测量牙邻面接触松紧度与金属纸层数,计算近中、远中邻接触丧失率。采用SPSS 19.0软件包对数据进行统计学分析。结果: 随着时间延长,2组种植单冠近中与远中邻接触丧失率逐渐增加。对照组在随访12个月近中邻接触丧失率为62.06%,显著高于实验组的31.03%（P<0.05）。实验组在随访1、3与6个月的单冠近中邻接触丧失率分别为17.24%、20.68%、27.58%,对照组分别为20.68%、37.93%、48.27%（P>0.05）。2组在随访1、3、6与12个月的单冠远中邻接触丧失率比较,无统计学差异（P>0.05）。随访12个月时,实验组近中邻接触丧失例数为9例,少于对照组的18例（P<0.05）;而远中邻接触丧失的例数无显著差异（P>0.05）。实验组配戴压膜保持器金属纸增加量2例（增加多余2张为标准）,少于对照组的19例（P<0.05）。随访12个月时,近中邻接面松紧度拉力值主要以减低为主,近中邻接面未发生接触丧失,但其松紧度有所降低,不排除时间延长邻接面接触丧失。2组远中邻接面松紧度拉力值变化规律不明显。整个随访期内,2组种植牙与天然牙在PD、BI、M方面无明显变化。实验组无显著食物嵌塞主诉,对照组8例存在明显食物嵌塞,但可通过牙线清洁。结论: VFR可有效降低种植单冠近中邻接触丧失率,对种植单冠口腔卫生无明显影响。

关键词: 压膜保持器, 种植修复体, 邻接触丧失

Abstract: PURPOSE: To explore the clinical application effect of vacuum-formed compression film retainer (VFR) to improve the contact loss of implant restoration. METHODS: Fifty-eight patients with single crown restorations (all using Straumann implants) were selected from our hospital from June 2019 to October 2020. According to the clinical randomized case-control study, they were divided into 2 groups, each with 29 cases, with a total of 116 implanted single crown adjacent surfaces. The experimental group wore film retainer during the night, while the control group did not wear film retainer during day and night. The periodontal probing depth(PD), looseness (M), and gingival bleeding index (BI) of implants and natural teeth were checked immediately, 1, 3, 6 and 12 months after crown restoration. The surface contact tightness and the number of metal paper layers, and the mesial/distant/neighbor contact loss rate were calculated. The data was statistically analyzed by SPSS 19.0 software package. RESULTS: As time went by, the loss rate of the mesial and distant neighbors of the two groups of implanted single crowns gradually increased, and the loss rate of the mesial neighbors of the control group during the 12-month follow-up was 62.06%, which was significantly higher than that of the experimental group of 31.03% (P<0.05). The loss rates of single crown mesial contact loss in the experimental group at 1, 3 and 6 months of follow-up were 17.24%, 20.68% and 27.58%, respectively, while those in the control group were 20.68%, 37.93%, and 48.27% (P>0.05). There was no significant difference of the loss rate of single-crown distal neighbor contact between the two groups at 1, 3, 6 and 12 months of follow-up(P>0.05). At 12-month follow-up, the experimental group had 9 cases with loss of near neighbor contact, which was less than 18 cases of the control group(P<0.05). There was no significantly difference in the number of distant neighbor contact loss between the two groups(P>0.05). In the experimental group, the increase in metal paper wearing the film retainer was not more than 2 cases (an increase of 2 pieces was the standard), which was less than 19 cases in the control group (P<0.05). At 12-month follow-up, the tension value of the mesial adjacent surface was reduced. There was no contact loss on the mesial adjacent surface, but its tightness decreased. Time extension of the adjacent surface contact loss cannot be ruled out. There was no obvious change rule of tension value of the distance between the two groups of adjacent surfaces. During the entire follow-up period, the implants and natural teeth of the two groups had no obvious changes in PD, BI, and M. The experimental group had no significant food impaction complaints, but 8 cases had significant food impaction in the control group, however they could be cleaned by flossing. CONCLUSIONS: VFR can effectively reduce the contact loss rate of the near neighbors of the implanted single crown, it has no obvious impact on oral hygiene of implanted single crowns.

Key words: Vacuum-formed retainer, Implant restorations, Loss of adjacent contact

中图分类号:

R782.1

余姣, 朱晓密, 赵雅君. 压膜保持器对改善58例种植修复体邻接触丧失的效果评价[J]. 中国口腔颌面外科杂志, 2022, 20(1): 63-67.

YU Jiao, ZHU Xiao-mi, ZHAO Ya-jun. The effect of film retainer to improve loss of adjacent contact between implant restorations in 58 consecutive cases[J]. China J Oral Maxillofac Surg, 2022, 20(1): 63-67.

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