Indian J Dent Res:猪胶原基质联合冠向瓣治疗Miller I型和II型牙龈退缩

2020-08-20 MedSci原创 MedSci原创

牙周整形手术的主要目标是获得完整的牙根覆盖(CRC)和最佳外观。本研究旨在评估3D猪胶原基质(PCM)与冠向瓣(CAF)在治疗Miller I型和II型牙龈退缩(GR)方面的有效性。

牙周整形手术的主要目标是获得完整的牙根覆盖(CRC)和最佳外观。本研究旨在评估3D猪胶原基质(PCM)与冠向瓣(CAF)在治疗Miller I型和II型牙龈退缩(GR)方面的有效性。

研究共纳入20例患者,有40处Miller I型和II型GR。将患者随机分为试验组(PCM + CAF)和对照组[结缔组织移植物(CTG + CAF)]。在基线和12个月后评估临床参数,如牙龈退缩深度(RD)、探诊深度、临床附着水平(CAL)和角化牙龈宽度(WKG)。在手术后12个月评估牙根覆盖率(RC%)和CRC。统计学分析采用独立t检验进行组间比较。统计学意义设定为0.05。

 

结果显示,试验组12个月的平均RD为0.20mm,对照组为0.12mm,而PCM+CAF的平均RC%为94.22%,CTG+CAF为96.48%。CTG+CAF的CRC较高,为80%。试验组和对照组CAL增益分别为2.05和2.07mm。WKG在试验和对照部位的增益分别为1.35和1.30mm。两组患者术后12个月的审美满意度相当。

综上所述,在本研究的范围内,使用PCM+CAF治疗GR是一种成功而有效的治疗方案,可以作为CTG的替代方案。

 

原始出处:

 

Haydar BarakatSuleiman Dayoub, et al., Treatment of miller type I and II gingival recession defects using three-dimensional porcine collagen matrix with coronally advanced flap: A randomized clinical split-mouth trial (a 1-year follow-up). Indian J Dent Res. Mar-Apr 2020;31(2):209-216. doi: 10.4103/ijdr.IJDR_897_18.

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    2020-08-22 xiaogang319
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    2020-08-22 muzishouyi

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