Specific issues in clinical trials on the use of barrier membranes in periodontal regeneration.

Specific issues in clinical trials on the use of barrier membranes in periodontal regeneration.
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在牙周再生中使用屏障膜的临床试验中的具体问题。

DOI:
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发表时间:
1997
期刊:
Annals of Periodontology
影响因子:
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通讯作者:
S. Garrett
S. Garrett
中科院分区:
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文献类型:
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作者:
S. Garrett

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目前有许多不同的屏障可用于临床上的引导组织再生(GTR)程序。使用这些技术并比较不同类型的屏障膜的一些试验正在发表在科学文献上。本文讨论了有关使用屏障膜进行牙周再生的临床试验的相关问题。结果测量,包括临床和组织学,被讨论与GTR手术后的结果有关。我们回顾了再生和修复之间的区别,以及对这两种结果的临床和组织学评估方法。关于患者变量和牙齿或缺陷变量对结果的影响的数据被提出,并基于这些变量对研究设计提出建议。此外,还介绍了如何在优势试验和等效性试验中使用GTR技术评估合适的样本量,并解释了这些试验的结果及其临床意义。
There are presently a number of different barriers available for use clinically in guided tissue regeneration (GTR) procedures. A number of trials using these techniques and comparing different types of barrier membranes are being published in the scientific literature. This review discusses issues related to clinical trials on the use of barrier membranes in periodontal regeneration. Outcome measures, both clinical and histological, are discussed in relation to results following GTR procedures. The difference between regeneration and repair is reviewed as well as methods of clinical and histologic assessment of both these outcomes. Data regarding the impact of patient variables and tooth or defect variables on outcomes are presented and suggestions for study designs are made based on these variables. Aspects of assessing for an appropriate sample size in superiority and equivalency trials using GTR techniques are presented as well as interpretation of results following these trials and their clinical significance.
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