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báo cáo khoa học:" A new technique for mandibular osteotomy"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: A new technique for mandibular osteotomy | Head Face Medicine BioMed Central Research A new technique for mandibular osteotomy Edela Puricelli Open Access Address School of Dentistry Federal University of Rio Grande do Sul Porto Alegre RS Brazil Email Edela Puricelli - epuricelli@uol.com.br Corresponding author Published 13 March 2007 Head Face Medicine 2007 3 15 doi 10.1186 1746-160X-3-15 Received 29 June 2006 Accepted 13 March 2007 This article is available from http www.head-face-med.cOm content 3 1 15 2007 Puricelli licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http creativecommons.org licenses by 2.0 which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Sagittal split osteotomy SSO is a surgical technique largely employed for mandibular mobilizations in orthognatic procedures. However the traditional design of buccal osteotomy located at the junction of mandibular ramus and body may prevent more extensive sliding between the bone segments particularly on the advance laterality and verticality of the mandibular body. The author proposes a new technical and conceptual solution in which osteotomy is performed in a more distal region next to the mental formamen. Technically the area of contact between medullary-cancellous bone surfaces is increased resulting in larger sliding rates among bone segments it also facilitates the use of rigid fixation systems with miniplates and monocortical screws. Conceptually it interferes with the resistance arm of the mandible seen as an interpotent lever of the third gender. Background Osteotomies of the mandible have fundamental importance for correction of dental facial deformities ICD K07 . Osteotomy of the condylar neck was originally introduced by Jaboulay and Bérard in 1898 apud Caldwell and Letterman 1954 1 and received important contributions by Babcock in 1909 2 . Osteotomies of the mandibular ramus are