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Volume 25 , Issue 3
May/June 2005
Pages 231–237

Histologic Evaluation of Mineralized and Demineralized Freeze-Dried Bone Allograft for Ridge and Sinus Augmentations

Gerald V. Cammack, II, DDS, MS/Myron Nevins, DDS/Donald S. Clem, III, DDS/John P. Hatch, PhD/James T. Mellonig, DDS, MS

PMID: 16001735
DOI: 10.11607/prd.00.0632

The objective of this study was to quantify new bone formation from biopsies of demineralized freeze-dried bone allograft (DFDBA) and freeze-dried bone allograft (FDBA) following ridge and sinus augmentations. Ninety-three patients who received maxillary sinus or ridge augmentation grafts agreed to core biopsies of their grafts when the implants were placed. Samples ranged from 6 to 36 months postgrafting. These samples were sectioned, stained, and examined histomorphometrically. Seventy-two FDBA and 21 DFDBA samples were examined, and the mean percentages of new bone formed were 41.89% and 41.74%, respectively. There was no statistical difference, irrespective of graft site. (Int J Periodontics Restorative Dent 2005;25:231–237.)

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