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Block Allograft for Reconstruction of Alveolar Bone Ridge in Implantology: A Systematic Review

Araújo, Pryscyla P. T. DDS, MS*; Oliveira, Kerlison P. DDS, MS*; Montenegro, Sheyla C. L. DDS, MS*; Carreiro, Adriana F. P. DDS, PhD; Silva, José S. P. DDS, PhD; Germano, Adriano R. DDS, PhD

doi: 10.1097/ID.0b013e318289e311
Basic and Clinical Research

Purpose: The aim of this study was to evaluate the literature regarding clinical efficacy and predictability of block allograft for restoration of vertical and/or horizontal bone defects.

Materials and Methods: A literature search was conducted in PubMed/MEDLINE and Cochrane databases about studies reporting the use of block allografts. The review included studies published in English from 1960 to 2011 and excluded single-case reports and articles that did not use block allograft stabilized by fixation screws.

Results: The search revealed 567 articles, but only 14 were included, which were conducted in humans with a total of 194 patients treated with block allografts, totalizing 253 blocks.

Conclusions: Although a high success rate has been reported for the bone allograft survival, this systematic review demonstrated low level of scientific evidence articles with short follow-up time and diversified methodology with difficult possibilities to compare their results.

*Postgraduate Student in Dentistry, Universidade Federal do Rio Grande do Norte, UFRN, Natal, RN, Brazil.

Professor of Dental Prosthesis, Universidade Federal do Rio Grande do Norte, UFRN, Natal, RN, Brazil.

Professor of Oral and Maxillofacial Surgery, Department of Oral and Maxillofacial Surgery, Hospital Universitário Onofre Lopes, Universidade Federal do Rio Grande do Norte, UFRN, RN, Brazil.

Reprint requests and correspondence to: Adriano R. Germano, DDS, PhD, Oral and Maxillofacial Surgery, Department of Dentistry, Federal University of Rio Grande do Norte, UFRN, Av Senador Salgado Filho, 1787, Lagoa Nova, Natal, RN 59056-000, Brazil, Phone: +55-84-3215-4130, Fax: +55-84-84-3215-4100, Email: adrianorgermano@yahoo.com.br

© 2013 by Lippincott Williams & Wilkins, Inc.