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      ¿Existen Diferencias en la Morfometría Mandibular de Pacientes Candidatos a Cirugía Ortognática? Parte 1: Influencias de la Clase Facial Translated title: Are there Differences in the Mandibular Morphometry in Patients who are Candidates for Orthognathic Surgery? Part 1: Influences of Facial Class

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          Abstract

          Las deformidades dentofaciales (DDF) son alteraciones faciales bien conocidas. Estas se pueden presentar clínicamente con alteraciones antero posteriores, verticales, transversales de forma aislada o conjugando algunas de ellas. El abordaje quirúrgico de estas alteraciones ha tenido amplio estudio en los últimos 50 años, donde las características óseas morfométricas tienen un papel fundamental. Fue elaborado un estudio de cohorte en pacientes que consultaron por cirugía ortognática entre los años 2002 y 2008 en la División de Cirugía Oral y Maxilofacial de la FOP-UNICAMP. Fueron estudiadas las radiografías panorámicas realizando el análisis de variables como clase facial, ramo mandibular, cuerpo mandibular, foramen alveolar inferior y foramen mentoniano; estableciendo proporciones y relaciones estadísticas con la prueba Chi-Cuadrado con significancia estadística cuando p<0,05. Cuarenta y seis pacientes completaron los criterios de inclusión. De ellos, 18 fueron clase II y 28 fueron clase III; de una forma general, no existió diferencias estadísticas entre las variables analizadas. Sin embargo, hubo diferencias en las proporciones estudiadas, donde la posición del foramen alveolar inferior presentó variaciones entre las clases faciales. Podemos concluir que en este grupo de 46 pacientes no existen diferencias en la morfometría mandibular cuando son comparados pacientes con clase facial tipo II y tipo III.

          Translated abstract

          Dentofacial deformities (FDA) facial alterations are well known. These disorders can present clinically with subsequent anterior, vertical, horizontal alterations that can be isolated or combining some of them. The surgical approach of these alterations has been extensive study in the last 50 years, where the bone morphometric characteristics have a crucial role. It was developed in a cohort study of patients who consulted for orthognathic surgery between 2002 and 2008 in the Division of Oral and Maxillofacial Surgery of the FOP-UNICAMP. Panoramic radiographs were studied by setting the variables as class analysis of facial, mandibular ramus, mandibular body, and inferior alveolar foramen mental foramen, establishing statistical relationships and proportions with Chi-square test with statistical significance when p <0.05. Forty-six patients completed the inclusion criteria. Of these, 18 were class II and 28 were Class III, in general, there was no statistical difference between the analyzed variables. However, differences in the proportions studied, where the position of the inferior alveolar foramen varies between facial classes. We conclude that in this group of 46 patients there were no differences in the mandibular morphometry when compared patients with Class II facial type and type III.

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          Soft tissue cephalometric analysis for orthognathic surgery.

          A soft tissue cephalometric analysis designed for the patient who requires surgical-orthodontic car was developed to complement a previously reported dentoskeletal analysis. To make it clinically practical, the analysis has been reduced to its most relevant and significant measurements. Used along with other diagnostic aids, this soft tissue evaluation will enable the clinician to achieve good facial esthetics for his or her patients.
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              The surgical correction of mandibular prognathism and retrognathia with consideration of genioplasty. I. Surgical procedures to correct mandibular prognathism and reshaping of the chin.

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                Author and article information

                Journal
                ijmorphol
                International Journal of Morphology
                Int. J. Morphol.
                Sociedad Chilena de Anatomía (Temuco, , Chile )
                0717-9502
                September 2009
                : 27
                : 3
                : 751-756
                Affiliations
                [02] orgnameUniversidad de La Frontera orgdiv1Facultad de Medicina orgdiv2Departamento de Odontología Integral Chile
                [01] orgnameUniversidad Estadual de Campinas orgdiv1Facultad de Odontología de Piracicaba orgdiv2Departamento de Diagnostico Oral Brasil
                Article
                S0717-95022009000300019 S0717-9502(09)02700319
                b829289d-c920-4c96-a71b-a89690b89770

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 16 June 2009
                : 29 May 2009
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 25, Pages: 6
                Product

                SciELO Chile


                Mandibular morphometry,Facial type,Dentofacial deformities,Clase facial,Morfometría mandibular,Deformidades dentofaciales

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