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Type: Artigo de periódico
Title: Radiographic assessment of the condylar position after Le Fort I osteotomy in patients with asymptomatic temporomandibular joints: A prospective study
Author: Cortez, ALV
Passeri, LA
Abstract: Purpose: A prospective radiographic study analyzed condylar position in patients who had undergone orthodontic treatment and isolated maxillary advancement after Le Fort I osteotomy. Patients and Methods: Eleven patients were selected and radiographic images were taken in the immediate preoperative, immediate postoperative (1-2 weeks), and late postoperative periods (minimum of 6 months). Tracings were done on acetate paper for the submento-vertex radiograph, to measure the axial angulation of the condyles, and for the tomographic images of both sides, in the maximal intercuspation, rest position, and maximal opening, for the 3 periods. Linear measurements were taken for the tomograms over the posterior, superior, and anterior articular spaces. These images with the tracings were digitized and measured by means of computer software (UTHSCSA Image Tool 3.0; University of Texas Health Science Center at San Antonio, San Antonio, TX), after it had been adequately calibrated. Results: The analysis of variance (ANOVA; 5% of significance) demonstrated 1) that there was no statistically significant difference for the linear measurements of the articular spaces in any of the periods, and 2) also not for the angular measure of the condyles (P >.05). In the maximal opening, there was a significant difference for the immediate postoperative period for both sides (P =.003). Conclusion: Le Fort I osteotomy for maxillary advancement did not cause any significant changes in this specific group of patients evaluated. (C) 2007 American Association of Oral and Maxillofacial Surgeons.
Country: EUA
Editor: W B Saunders Co-elsevier Inc
Rights: fechado
Identifier DOI: 10.1016/j.joms.2005.10.057
Date Issue: 2007
Appears in Collections:Unicamp - Artigos e Outros Documentos

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