Healing of intrabony defects following treatment with a bovine-derived xenograft and collagen membrane. A controlled clinical study |
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Authors: | Sculean Anton Berakdar Mohammad Chiantella Giovanni C Donos Nikolaos Arweiler Nicole B Brecx Michel |
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Affiliation: | Department of Conservative Dentistry and Periodontology, Johannes-Gutenberg University, Mainz, Germany. anton.sculean@gmx.de |
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Abstract: | AIM: : The purpose of the present study was to compare clinically the treatment of deep intrabony defects with a combination of a bovine-derived xenograft (BDX) and a bioresorbable collagen membrane to access flap surgery. METHODS: : Twenty-eight patients suffering from chronic periodontitis, and each of whom displayed one intrabony defect, were randomly treated with BDX + collagen membrane (test) or with access flap surgery (control). Soft tissue measurements were made at baseline and at 1 year following therapy. RESULTS: : No differences in any of the investigated parameters were observed at baseline between the two groups. Healing was uneventful in all patients. At 1 year after therapy, the test group showed a reduction in mean probing depth (PD) from 9.2+/-1.3 to 3.9+/-0.7 mm (p<0.001) and a change in mean clinical attachment level (CAL) from 10.2+/-1.5 to 6.2+/-0.5 mm (p<0.0001). In the control group, the mean PD was reduced from 9.0+/-1.2 to 5.2+/-1.8 mm (p<0.001) and the mean CAL changed from 10.5+/-1.5 to 8.4+/-2.1 mm (p<0.01). The test treatment resulted in statistically higher PD reductions (p
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Keywords: | regenerative periodontal therapy controlled clinical study bovine-derived xenograft collagen membrane |
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