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The International Journal of Oral & Maxillofacial Implants



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Int J Oral Maxillofac Implants 9 (1994), No. 1     1. Jan. 1994
Int J Oral Maxillofac Implants 9 (1994), No. 1  (01.01.1994)

Page 13-29

Healing Pattern of Bone Regeneration in Membrane-Protected Defects: A Histologic Study in the Canine Mandible
Schenk, Robert K. / Buser, Daniel / Hardwick, W. Ross / Dahlin, Christer
In this study, standard and prototype reinforced e-PIFE membranes were used to evaluate the pattern of bone regeneration in membrane protected defects in the mandibles of four dogs. Following a healing period of 2 and 4 months, control sites without membranes exhibited incomplete osseous healing with a persisting defect. Test sites with membranes demonstrated significantly better bone healing, although bone regeneration was not yet completed at 4 months. The histologic evaluation showed that bone regeneration, once activated, progresses in a programmed sequence through a series of maturation steps, which closely resemble the pattern of bone development and growth.

Keywords: bone defects, bone healing, guided bone regeneration, membranes