Comparison of allografts and xenografts used for alveolar ridge preservation. A clinical and histomorphometric RCT in humans

Serrano Méndez, Carlos Alberto; Lang, Niklaus Peter; Caneva, Martina; Ramírez Lemus, Gloria; Mora Solano, Gerardo; Botticelli, Daniele

doi:10.1111/cid.12490

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Serrano Méndez, C. A., Lang, N. P., Caneva, M., Ramírez Lemus, G., Mora Solano, G., & Botticelli, D. (2017). Comparison of allografts and xenografts used for alveolar ridge preservation. A clinical and histomorphometric RCT in humans. Clinical Implant Dentistry and Related Research, 19(4), 608–615. https://doi.org/10.1111/cid.12490

Abstract

BACKGROUND: Several types of bone grafts are used in ridge preservation procedures. PURPOSE: To compare the healing of allografts and xenografts applied for alveolar ridge preservation. MATERIALS AND METHODS: Twenty volunteers in need of extraction of a single-rooted tooth prior to implant installation were randomized into two groups. One group received a deproteinized cancellous bovine bone xenograft embedded in a 10% collagen matrix and the other a demineralized freeze-dried cortical bone allograft. A collagen membrane was used to c