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Surgical Treatment of Intrabony Periodontal Defects Using Expanded Polytetrafluoroethylene Barrier Membranes: Influence of Defect Configuration on Healing Response
Author(s) -
Selvig Knut A.,
Kersten Betty G.,
Wikesjö Ulf M.E.
Publication year - 1993
Publication title -
journal of periodontology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.036
H-Index - 156
eISSN - 1943-3670
pISSN - 0022-3492
DOI - 10.1902/jop.1993.64.8.730
Subject(s) - dentistry , barrier membrane , medicine , reduction (mathematics) , furcation defect , gingival recession , wound healing , dehiscence , surgery , membrane , molar , chemistry , biochemistry , geometry , mathematics
T wenty‐six proximal, intrabony periodontal defects with probing depths equal to or exceeding 6 mm in 23 patients were treated with gingival flap surgery supported by an expanded polytetrafluoroethylene barrier membrane. The material included 1, 2, and 3‐wall defects with crestal involvement relative to the root circumference ranging between 90° and 270°. Healing was evaluated clinically 12 months after surgery. Deep defects exhibited greater probing depth reduction and attachment gain than shallower defects. Probing depth reduction, attachment gain, and bone fill were positively correlated to the depth of the 3‐wall intrabony component of the defect. The extent of crestal involvement, and wall form in the fundus of the defect did not appear to influence the healing response. The treatment also affected the proximal surface of the defect‐adjacent tooth, which showed some reduction in bone level as well as gingival recession. Thus, the overall healing pattern following barrier membrane‐supported flap surgery appears similar to that generally observed for conventional reconstructive flap surgery in intrabony periodontal defects. J Periodontol 1993; 64:730–733 .