Concept

Barrier membrane

Résumé
A barrier membrane is a device used in oral surgery and periodontal surgery to prevent epithelium, which regenerates relatively quickly, from growing into an area in which another, more slowly growing tissue type, such as bone, is desired. Such a method of preventing epithelial migration into a specific area is known as guided tissue regeneration (GTR). Origins The first membranes developed were nonresorbable and required a second surgery for membrane removal some weeks later. The need for a second surgical procedure hindered the utilization of the original barrier membranes, which led to the development of resorbable membranes; research indicates no statistically significant difference in surgical success between the two types. Purpose The purpose of a membrane is to prohibit the penetration of cells, primarily epithelial, through its structure. The bone tissue grows slower than soft tissue. Hence, if a bone defect needs to heal, the membrane separates it from th
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