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International Journal of Periodontics & Restorative Dentistry



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Int J Periodontics Restorative Dent 35 (2015), No. 4     10. July 2015
Int J Periodontics Restorative Dent 35 (2015), No. 4  (10.07.2015)

Page 462-471, doi:10.11607/prd.2418, PubMed:26133135

Membranes and Bone Substitutes in a One-Stage Procedure for Horizontal Bone Augmentation: A Histologic Double-Blind Parallel Randomized Controlled Trial
Merli, Mauro / Moscatelli, Marco / Mariotti, Giorgia / Pagliaro, Umberto / Breschi, Lorenzo / Mazzoni, Annalisa / Nieri, Michele
The aim of this histologic, double-blind, parallel, randomized controlled trial was to compare anorganic bone mineral-collagen membranes (BB) and betatricalcium phosphate-pericardium collagen membranes (CJ) in a one-stage procedure for horizontal bone augmentation. A biopsy was performed in the regenerated area at abutment connection 6 months after surgery. Five patients were assigned and treated with the BB combination and five patients were treated with the CJ combination. At abutment connection, 6 months after grafting, no significant differences were evident in the histomorphometric comparisons, even if the percentage of residual graft, using the marrow spaces and soft tissue as a reference, tended to be greater in the CJ group (P = .0759).