Healing of intrabony peri‐implantitis defects following application of a nanocrystalline hydroxyapatite (Ostim™) or a bovine‐derived xenograft (Bio‐Oss™) in combination with a collagen membrane (Bio‐Gide™). A case series
- 1 June 2006
- journal article
- research article
- Published by Wiley in Journal of Clinical Periodontology
- Vol. 33 (7), 491-499
- https://doi.org/10.1111/j.1600-051x.2006.00936.x
Abstract
Objectives: The aim of the present case series was to evaluate the healing of intrabony peri‐implantitis defects following application of a nanocrystalline hydroxyapatite (NHA) or a bovine‐derived xenograft in combination with a collagen membrane (BDX+BG). Material and Methods: Twenty‐two patients having moderate peri‐implantitis (n=22 intrabony defects) were randomly treated with (i) access flap surgery (AFS) and the application of NHA, or with AFS and the application of BDX+BG. Clinical parameters were recorded at baseline and after 6 months of non‐submerged healing. Results: Post‐operative wound healing revealed that NHA compromized initial adhesion of the mucoperiosteal flaps in all patients. At 6 months after therapy, NHA showed a reduction in the mean PD from 7.0 ± 0.6 to 4.9 ± 0.6 mm and a change in the mean clinical attachment loss (CAL) from 7.5 ± 0.8 to 5.7 ± 1.0 mm. In the BDX+BC group, the mean PD was reduced from 7.1 ± 0.8 to 4.5 ± 0.7 mm and the mean CAL changed from 7.5 ± 1.0 to 5.2 ± 0.8 mm. Conclusion: Within the limits of the present case series, it can be concluded that at 6 months after surgery both therapies resulted in clinically important PD reductions and CAL gains.Keywords
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