Success in dorsum reshaping is not only dependent on definitive hump reduction but also to stable mobilization of lateral walls. Between April 2005 and November 2008, the author performed powered micro saw osteotomy on 627 primary and secondary rhinoplasty and septorhinoplasty cases. Satisfactory results were obtained in all of the cases. There was no complications such as rocker effect, step deformity, collapse, verticalization of lateral walls or other skin-soft tissue complications. Unlike blunt-force osteotomies that fracture the bone margins especially because of the physical inconsistencies of human bone, PMSO acts strictly in the way the surgeon does plan the line of osteotomy. Powered micro saw osteotomy provides a precise approach for hump reduction and mobilization of lateral walls.
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