Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/82258
Type: Artigo de periódico
Title: Morphometric Study of Mandibular Ramus Related to Sagittal Ramus Split Osteotomy and Osteosynthesis
Author: de Oliveira, MV
de Moraes, PH
Olate, S
Alonso, MBC
Watanabe, PCA
Haiter-Neto, F
de Albergaria-Barbosa, JR
Abstract: The objective of this study was to quantify the cortical bone thickness of the mandibular ramus to determine conditions related to sagittal split ramus osteotomy and placement of screws. The patient sample comprised 44 subjects of ages ranging from 46 to 52 years (mean age, 49 years). The cone-beam computed tomography was performed and realized 3 cuts in the third molar area (section A), 5 mm posterior (section B), and 5 mm posterior to the latter (section C). Measurement in the cortical areas of the superior and inferior levels related to mandibular canal and measurement related to the total width of the mandible was executed. Intraclass correlation coefficient with P < 0.05 was used. The result showed that the buccal and lingual cortical zone did not present statistical differences, and the minor value was 1.5 mm for each one. There were no differences in the superior and inferior cortical bone, and the total width of the mandible was between 15.9 and 8.5 mm in the anterior area, between 17.4 and 12.8 mm in the middle area, and between 18 and 8.8 mm in the posterior area. The distance superiorly to the mandibular canal presented a minimal SD with a mean of 8.5 mm in the anterior region, 10.6 mm for the middle region, and 12.5 mm in the posterior region. In conclusion, the cortical thickness of the mandibular ramus in the adult population is particularly strong and offers a good anchorage for screw insertion in sagittal split ramus osteotomy.
Subject: Sagittal ramus split osteotomy
mandible morphometric
mandible osteosynthesis
Country: EUA
Editor: Lippincott Williams & Wilkins
Rights: fechado
Identifier DOI: 10.1097/SCS.0b013e318256664d
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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