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Volume 21 , Issue 2
March/April 2001
Pages 127-139

Rationale for the Application of the GTR Principle Using a Barrier Membrane in Endodontic Surgery: A Proposal of Classification and Literature Review

Thomas von Arx, Dr Med Dent, David L. Cochran, DDS, PhD,

PMID: 11829387
DOI: 10.11607/prd.00.0412

Periradicular surgery has become an established treatment option in endodontic surgery. The major objective of this surgery is to obtain periradicular tissue regeneration, including the formation of a new attachment apparatus, by exclusion of any potentially noxious agent within the physical confines of the affected root. However, in a substantial number of cases, the endodontic lesion has a concomitant marginal periodontal lesion that may complicate the healing success. In periodontology, the guided tissue regeneration (GTR) principle using a barrier membrane has been extensively studied and successfully used, and thus may become an adjunct in endodontic surgery. This article presents a classification system of endodontic and periodontal lesions with respect to the application of the membrane technique and reviews the pertinent literature based upon this classification system. (Int J Periodontics Restorative Dent 2001;21:127–139.)

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