volume 40, issue 2, P169-172 2012
DOI: 10.1016/j.jcms.2011.03.015
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Zaher Aymach, Hiroshi Kawamura

Abstract: Recent studies have shown that a sagittal split ramus osteotomy (SSRO) with counterclockwise rotation of the mandible using rigid fixation is relatively a stable procedure when used to correct a mild skeletal anterior open bite in cases where a maxillary osteotomy is not indicated to improve or enhance facial aesthetics. When an open bite accompanies a short ramus, the closing rotation will result is a large amount of ramus lengthening and downward movement that stretches the major muscle-ligament structures a…

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