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Volume 31 , Issue 1
January/February 2011
Pages 39-47

The Feasibility of Demineralized Bone Matrix and Cancellous Bone Chips in Conjunction with an Extracellular Matrix Membrane for Alveolar Ridge Preservation: A Case Series

David M. Kim, DDS, DMSc/Myron Nevins, DDS/Marcelo Camelo, DDS/Peter Schupbach, PhD/Soo-Woo Kim, DMD/Joao Marcelo Borges Camelo, DDS/Khalid Al Hezaimi, BDS, MSc/Marc L. Nevins, DMD, MMSc

PMID: 21365025
DOI: 10.11607/prd.00.0960

An investigation was conducted to test the feasibility of demineralized bone matrix and cancellous bone chips in a reverse-phase medium carrier (DynaBlast) in concert with an extracellular matrix membrane (DynaMatrix) to provide hard and soft tissue regeneration for the purpose of a ridge preservation procedure. Nine patients requiring extraction of 30 maxillary teeth were grafted with DynaBlast and DynaMatrix. Twenty sites attained primary flap closure over the grafted area (primary healing intention group), while 10 sites were assigned randomly to the secondary healing intention group, in which primary flap closure over the membrane was not achieved. Clinical and radiographic evaluations at 6 months revealed comparable bone formation for both groups. Histologic analyses of 21 harvested soft and hard tissue core biopsies revealed absence of the remnant membrane and consistent patterns of new bone formation. The efficacy and safety of DynaBlast and DynaMatrix have been validated clinically and histologically to preserve the dimensions of the alveolar process. (Int J Periodontics Restorative Dent 2011;31:39–47.)

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