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Type: Artigo de periódico
Title: Repair of bone defects treated with autogenous bone graft and low-power laser
Author: da Silva, RV
Camilli, JA
Abstract: Because bone healing at the graft site is similar to a fracture repair, the purpose of the present study was to evaluate the effects of low-power laser irradiation on the repair of rat skull defects treated with autogenous bone graft. A defect measuring 3 mm in diameter was produced in the left parietal bone and filled with an autogenous bone graft obtained from the right parietal bone. The animals were divided into 3 groups of 20 rats each: nonirradiated control, irradiated with 5.1 J/cm(2), and irradiated with 10.2 J/cm(2). The laser (2.4 mW, 735 nm, 3.4 X 10(-2) W/cm(2), 3-mm spot size) was applied three times per week for 4 weeks. Greater volume of newly formed bone was observed in the irradiated group with 10.2 J/cm(2). In both irradiated groups, a greater volume of newly formed bone occurred only in the first 2 weeks. The results demonstrated that laser irradiation at the grafted site stimulated osteogenesis during the initial stages of the healing process in a skull defect of the rat and that this effect was dose dependent.
Subject: autogenous bone graft
laser irradiation
bone regeneration
Country: EUA
Editor: Lippincott Williams & Wilkins
Citation: Journal Of Craniofacial Surgery. Lippincott Williams & Wilkins, v. 17, n. 2, n. 297, n. 301, 2006.
Rights: fechado
Identifier DOI: 10.1097/00001665-200603000-00017
Date Issue: 2006
Appears in Collections:Unicamp - Artigos e Outros Documentos

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