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Background: The aim of this study was to verify the regenerative potential of particulate ABM/Synthetic Peptide in class III furcation defects associated or not with ePTFE membranes. Material and Methods: Six dogs were used and class III furcation defects were produced in the lower pre-molars and filled with impression material. After 21 days, the membranes and the bone grafts were inserted and P3 and P4 were randomized to form the test and control groups. P2 was the negative control. The animals were sacrificed 3 months post-treatment. Results: Comparisons between groups by the Friedman Test (ρ<0.05) showed statistically significant differences between the test and negative control groups, based on NBA parameter. In the negative control group, a new bone area (NBA) of 20% was observed. In the test group, a new bone area of 37% was observed. There was no statistically significant difference between the groups to the others parameters. Conclusions: The statistical analysis using Friedman Test (ρ<0.05) showed statistically significant differences between the test and negative control groups, based on NBA parameter. Furthermore, when the Inorganic Bone Matrix/P15 remained inside the defects, it could be clearly observed that new bone formation not only circumscribed the particles but formed above the level of the particles.

Avaliação do potencial regenerativo da matriz óssea bovina inorgânica/P15 particulada em lesão de bifurcação grau III. Estudo histomorfométrico em cães