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A comparative biomechanical and photoelastic evaluation of different fixation techniques of sagital spit ramus osteotomy in mandibular advancement

Grant number: 06/54109-0
Support type:Scholarships in Brazil - Master
Effective date (Start): September 01, 2006
Effective date (End): March 31, 2008
Field of knowledge:Health Sciences - Dentistry - Oral and Maxillofacial Surgery
Principal researcher:Marcio de Moraes
Grantee:Fabio Ricardo Loureiro Sato
Home Institution: Faculdade de Odontologia de Piracicaba (FOP). Universidade Estadual de Campinas (UNICAMP). Piracicaba , SP, Brazil

Abstract

Since the beginning of the surgeries for the corrections of the facial deformities, in special the mandibular, many techniques had been developed in the last years. Currently the sagittal split ramus osteotomy (SSRO) is the most used surgical procedure for the correction of the deformities of the jaw. One controversial question is about the fixation technique used. This is because many techniques are used for this setting, without the existence of a consensus between the authors. Due to this great diversity of techniques, the effectiveness of each one of them should be tested, mainly how each one can resist the mastigatory forces. Based on this fact, the objective of this work is to evaluate the mechanical resistance of each one of these techniques, as well as verifying the exerted forces of stress in the components of these fixations. The sample for this study will be 100 half jaws confectioned in polyurethane to study 4 techniques of SSRO (3 screws arranged linearly with 90°, idem to the previous one, however with an angle of 60°, 3 screws arranged in L, 1 titanium plate with 5 holes and the controlled group). The results of these tests will be submitted to statistical analysis to compare, the mean of loading (kgf) and the displacement (mm) of the five groups submitted to mechanical tests. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
LOUREIRO SATO, FABIO RICARDO; ASPRINO, LUCIANA; CONSANI, SIMONIDES; DE MORAES, MARCIO. Comparative Biomechanical and Photoelastic Evaluation of Different Fixation Techniques of Sagittal Split Ramus Osteotomy in Mandibular Advancement. JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY, v. 68, n. 1, p. 160-166, JAN 2010. Web of Science Citations: 35.
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
SATO, Fabio Ricardo Loureiro. A comparative biomechanical and photoelastic evaluation of different fixation techniques of sagital spit ramus osteotomy in mandibular advancement. 2009. Master's Dissertation - Universidade Estadual de Campinas (UNICAMP). Faculdade de Odontologia de Piracicaba Piracaba, SP.

Please report errors in scientific publications list by writing to: cdi@fapesp.br.