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Furcation Therapy with Bioabsorbable Collagen Membrane: A Clinical TrialFULL TEXT
• Vijay K. Pruthi, DDS, Cert Perio, Diplomate, American Board of
A b s t r a c t
According to the surgical protocol, both membranes were completely covered with a coronally positioned flap, and in all cases healing was uneventful. Data were analyzed first by comparing baseline measurements (at surgery) with measurements at 8-month follow-up and 12-month re-entry for both e-PTFE and collagen membranes according to repeated-measures analysis of variance. The changes from surgery to follow-up and re-entry were then compared between the 2 treatment modalities with paired Wilcoxon rank-sum tests. No statistically significant differences were found between e-PTFE and collagen membranes with respect to gingival index, reduction in probing depth, gain in clinical attachment or filling of the horizontal defect.
However, the improvement in vertical fill at 12-month re-entry was more substantial for the teeth treated with collagen membrane than those treated with e-PTFE (p < 0.05). Within the limits of this study, it appears that collagen is a beneficial material for regenerative therapy of Class II furcation defects in humans, yielding results that are similar to or better than (vertical fill) those for e-PTFE membrane.
MeSH Key Words: collagen/metabolism; furcation defects/surgery; guided tissue regeneration/methodsReply to this article | View replies 
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