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Volume 20 , Issue 3
May/June 2000

Pages 285-295

Improved Closure Rate of Class III Furcations Using a Layered GTR Technique

Michael J. Mehlbauer, DMD, MS/Henry Greenwell, DMD, MSD/Imad Nouneh, DDS, MS/Connie Drisko, DDS/John W. Wittwer, DDS, MS/John Yancey, PhD/George Rebitski, BS

PMID: 11203570
DOI: 10.11607/prd.00.0365

In this study, 24 furcation defects in 12 patients were treated by either (1) a polylactide resorbable membrane (Guidor) plus a polyglactin mesh (Vicryl) and demineralized freeze-dried bone allograft (DFDBA), or (2) a polylactide resorbable membrane and DFDBA. All defects were reentered after 9 months. Class III furcations closed 66% of the time when treated by the first method, while the closure rate was only 33% when treated by the second method (no polyglactin mesh). Defects with a vertical opening less than or equal to 4 mm closed 74% of the time, while those with vertical openings > 4 mm closed only 11% of the time.

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