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J Periodontol:牙龈增生手术对牙周维度生物学重塑的影响:一项25年的随访调查

2017-03-31 MedSci MedSci原创

角化组织(KT)对维持牙周膜健康的作用多年来一直处于热议中。这项研究是为了评估牙齿实施游离龈移植(FGG)手术对牙周维度的长期生物学重塑与其周围正常牙齿之间的差异。

角化组织(KT)对维持牙周膜健康的作用多年来一直处于热议中。这项研究是为了评估牙齿实施游离龈移植(FGG)手术对牙周维度的长期生物学重塑与其周围正常牙齿之间的差异。

74名患者至少一侧附着龈部分或完全退缩至基线,在私人诊所实施FGG手术。每名患者的牙位变量(包括:治疗牙齿及其近远中牙齿)均在不同时间段做详细记录:术前基线处(T0)、术后6个月(T1)、随访期间(平均15.3年)(T2)和随访期25年结束时(T3)。结果使用参数、非参和混合logistic回归统计学方法进行分析。

182颗牙齿实施FGG手术,与其周围247颗正常牙齿相比较。结果显示,接受手术治疗的大多数牙齿(n=152; 83.5%)牙龈退缩深度(RD)明显缩短(P<0.001)。相反,其周围正常牙齿RD在T3期显着增加(P<0.001)。同时,研究者们也观察到实施手术牙位的KT收缩明显,而其临近正常牙位则表现出轻微的改善(P<0.001)。按照根覆盖度审美分数进行评估,包含实施手术及其周围正常牙齿的整个区域在T2至T3期得到明显提高(P<0.001)。一些独立变量,包括:年龄、牙齿外形和T1期的RD看起来都是随着时间变化影响着RD和KT的改变。

结论:软组织增高术可能会随着时间和年龄的变化影响牙周维度的生物学重塑。FGG的实施可以促进更好的KT维度形成以及改善边缘龈组织的退缩。

原始出处

Agudio G, Chambrone L, et al. Biologic Remodeling of Periodontal Dimensions of Areas Treated With Gingival Augmentation Procedure (GAP). A 25-Year Follow-up Observation. J Periodontol. 2017 Mar 24:1-16. doi: 10.1902/jop.2017.170010.

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    2017-05-17 laymankey

    感谢分享一下!

    0

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    2017-06-05 feather89
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