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首页> 外文期刊>Journal of Indian Society of Periodontology >A comparative clinical study of the efficacy of subepithelial connective tissue graft and acellular dermal matrix graft in root coverage: 6-month follow-up observation
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A comparative clinical study of the efficacy of subepithelial connective tissue graft and acellular dermal matrix graft in root coverage: 6-month follow-up observation

机译：上皮下结缔组织移植物和脱细胞真皮基质移植物根部覆盖的疗效比较临床研究：6个月的随访观察

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Aims:The purpose of this study was to compare the clinical efficacy of subepithelial connective tissue graft and acellular dermal matrix graft associated with coronally repositioned flap in the treatment of Miller's class I and II gingival recession, 6 months postoperatively.Settings and Design:Ten patients with bilateral Miller's class I or class II gingival recession were randomly divided into two groups using a split-mouth study design.Materials and Methods:Group I (10 sites) was treated with subepithelial connective tissue graft along with coronally repositioned flap and Group II (10 sites) treated with acellular dermal matrix graft along with coronally repositioned flap. Clinical parameters like recession height and width, probing pocket depth, clinical attachment level, and width of keratinized gingiva were evaluated at baseline, 90th day, and 180th day for both groups. The percentage of root coverage was calculated based on the comparison of the recession height from 0 to 180th day in both Groups I and II.Statistical Analysis Used:Intragroup parameters at different time points were measured using the Wilcoxon signed rank test and Mann–Whitney U test was employed to analyze the differences between test and control groups.Results:There was no statistically significant difference in recession height and width, gain in CAL, and increase in the width of keratinized gingiva between the two groups on the 180th day. Both procedures showed clinically and statistically significant root coverage (Group I 96%, Group II 89.1%) on the 180th day.Conclusions:The results indicate that coverage of denuded root with both subepithelial connective tissue autograft and acellular dermal matrix allograft are very predictable procedures, which were stable for 6 months postoperatively.
机译：目的：本研究的目的是比较术后6个月的米勒I型和II型牙龈退缩与上皮下结缔组织移植物和脱细胞真皮基质移植物与冠状动脉瓣复位治疗的临床疗效。方法采用双口研究设计，将双侧Miller I类或II类牙龈退缩的患者随机分为两组。材料与方法：I组（10个部位）采用上皮下结缔组织移植物和冠状动脉复位皮瓣治疗，II组（10个部位） 10个位点）用脱细胞真皮基质移植物和冠状动脉复位皮瓣处理。分别在基线，第90天和第180天评估两组的临床参数，如后退高度和宽度，探查袋深度，临床依附水平和角化牙龈宽度。根据第一组和第二组从0到180天的衰退高度的比较，计算出根部覆盖百分比。使用的统计分析：使用Wilcoxon符号秩检验和Mann-Whitney U测量不同时间点的组内参数结果：两组在第180天之间的后退高度和宽度，CAL的增加以及角化牙龈宽度的增加在统计学上没有显着差异。两种方法在第180天均显示出临床和统计学上显着的根部覆盖率（I组96％，II组89.1％）。结论：结果表明，采用上皮下结缔组织自体移植和脱细胞真皮基质同种异体移植覆盖裸露的根是非常可预测的程序术后6个月稳定。

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