[引导骨再生中使用的胶原膜的力学性能：三种模型的比较研究]

[Mechanical properties of collagen membranes used in guided bone regeneration: a comparative study of three models].

作者信息

Coïc M, Placet V, Jacquet E, Meyer C

机构信息

Institut supérieur d'ingénieurs de Franche Comté (ISIFC), 23, rue Alain-Savary, 25000 Besançon, France.

出版信息

Rev Stomatol Chir Maxillofac. 2010 Nov-Dec;111(5-6):286-90. doi: 10.1016/j.stomax.2010.10.006. Epub 2010 Nov 24.

DOI:10.1016/j.stomax.2010.10.006

PMID:21109281

Abstract

OBJECTIVES

The peroperative rupture of a collagen membrane is a potential cause of complications and loss of effectiveness. The purpose of our study was to determine experimentally the mechanical properties (Young modulus, stress-strain curve, tensile strength) of three collagen membranes used in guided bone regeneration. These properties and isotropy were compared on dry and damp samples.

METHODS

Standardized samples were tailored in three different membranes (Biomend Extend(®) [Zimmer Dental™], Bio-Gide(®) [Geitslich™] Neonem(®) [TBR™]) in two orthogonal orientations. They were then anchored on an ElectroForce(®) 3230 Instrument (Bose™) traction machine in a dry and wet state (soaking during 10 minutes in saline at 37°C). The strain curves were analyzed to obtain the various mechanical values.

RESULTS

No anisotropy was observed. The Biomend Extend(®) membranes were significantly more resistant in dry and damp states than others.

DISCUSSION

The mechanical properties of collagen membranes are very different from one to another. Moistening of the membranes, unavoidable in vivo, considerably alters their mechanical properties. This data should be taken into consideration when choosing a membrane.

摘要

目的

胶原膜在手术过程中破裂是导致并发症和效果丧失的一个潜在原因。我们研究的目的是通过实验确定用于引导骨再生的三种胶原膜的力学性能（杨氏模量、应力-应变曲线、拉伸强度）。在干燥和潮湿样本上对这些性能及各向同性进行比较。

方法

在三种不同的膜（Biomend Extend® [Zimmer Dental™]、Bio-Gide® [Geitslich™]、Neonem® [TBR™]）中，按两个正交方向制作标准化样本。然后将它们在干燥和湿润状态下（在37°C的盐水中浸泡10分钟）固定在一台ElectroForce® 3230仪器（Bose™）牵引机上。分析应变曲线以获得各种力学值。