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Efficacy of collagen membrane fixation on final outcome of peri-implant osseous defect

Waly, Salem A.; Alnady, Salah

Egyptian Journal of Oral & Maxillofacial Surgery: October 2017 - Volume 8 - Issue 3 - p 78–82
doi: 10.1097/01.OMX.0000525215.69395
CLINICAL STUDIES

Purpose The aim of this study was to evaluate the efficacy of collagen membrane fixation on final outcome of peri-implant osseous defect.

Patients and methods This clinical study comprised 20 consecutively treated patients divided into two groups. Group 1 was treated with delayed endosseous implants aided by autologous bone chips on the surface of the dental implant with buccal bone defect and covered by tack screw collagen membrane fixation and platelet-rich fibrin. However, group 2 was treated using the same protocol without any mean of collagen membrane fixation. The wound healing time follow-up was in the range of 4 weeks and 0–12 months regarding marginal bone level assessment. Data were collected, tabulated, and statistically analyzed.

Results The wound healing time for group 1 (tack screw collagen membrane fixation) was significantly faster than in group 2 (nonfixed membrane group) at baseline and after 3 weeks. After 1 year of loading the mean marginal bone loss for group 1 and group 2, statistically significant differences were observed between the two groups.

Conclusion In case of peri-implant bony defect with guided bone regeneration, it is recommended to use fixation pins/screws to fix collagen membranes.

Department of Oral and Maxillofacial Surgery, Faculty of Dental Medicine, Al-Azhar University, Cairo, Egypt

Correspondence to Salem A. Waly, PhD, Department of Oral and Maxillofacial Surgery, Faculty of Dental Medicine, Al-Azhar University, Cairo 41912, Egypt Tel: +20 966 5609 43242; e-mail: salemwaly2006@yahoo.com

Received July 15, 2017

Accepted July 20, 2017

© 2017 Egyptian Associations of Oral and Maxillofacial Surgery
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