Estudio sobre la relación entre la mordida cruzada posterior unilateral y la posición de los gérmenes de caninos maxilares como factor de riesgo de retención.
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2020
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2020
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Abstract
Objetivo: Determinar y comparar la angulación y posición del germen de loscaninos maxilares permanente en pacientes con mordida cruzada posterior unilateral.
Materiales y métodos: Se realizó un estudio observacional, comparativo,transversal y retrospectivo. Tras la revisión de historias clínicas incluidas en el programa de salud de la facultad de odontología y aplicar los criterios de selección de la muestra se reclutaron los registros de 106 niños/as con diagnóstico de mordida cruzada posterior unilateral para posteriormente estudiar las variables posición y angulación de los caninos maxilares mediante análisis de Power-Short(PS), Warford (W) y Ericson-Kurol (EK) así como la distancia entre la cúspide canina y el plano oclusal (CCPO). El estudio estadístico se realizó mediante el programa IBM SPSS statistics 26 donde se procedió a un análisis descriptivo de medidas de tendencia central y se aplicaron las pruebas estadísticas de Kruskal Wallis y Wilcoxon.
Resultado: Se analizaron un total de 212 caninos. Las angulaciones de estos dientes para el lado de la mordida cruzada fueron superiores en análisis de PS con una media de 13,88º y posiciones con mayor frecuencia en el sector II en EK que su contralateral con una p < 0,05. Los datos obtenidos en los análisis de W representaron un promedio de 77º y CCPO de 15, 3 mm para el lado de MCP con una p > 0,05.
Conclusiones: En el lado de la maloclusión la posición y angulación del germen del canino presentó de 2,7 a 2,8 veces más riesgo de impactación que el contralateral.
Aim: To determine and compare the angulation and position of the germ of the permanent maxillary canines in patients with unilateral posterior crossbite. Materials and methods: An observational, comparative, cross-sectional and retrospective study was carried out. After reviewing the medical records included in the dental department health program and applying the sample selection criteria, the records of 106 children with a diagnosis of unilateral posterior crossbite were recruited to subsequently study the position and angulation variables of the maxillary canines by Power-Short (PS), Warford (W) and Ericson-Kurol (EK) analysis as well as the distance between the canine cusp and the occlusal plane (CCPO). The statistical study was accomplished using the IBM SPSS statistics V.26 programme where a descriptive analysis of measures of central tendency was executed and the statistical tests of Kruskal Wallis andWilcoxon were applied. Result: A total of 212 canines were analyzed. The angulations of these teeth on the crossbite side were higher in PS analysis with an average of 13. 88º and positions more frequently in sector II in EK analysis than their contralateral with p <0.05. The data obtained in the analysis of W represented an average of 77º and CCPO of 15.3 mm for the MCP side with a p> 0.05. Conclusions: On the malocclusion side, the position and angulation of the canine germ presented 2.7 to 2.8 times more risk of impaction than the contralateral one.
Aim: To determine and compare the angulation and position of the germ of the permanent maxillary canines in patients with unilateral posterior crossbite. Materials and methods: An observational, comparative, cross-sectional and retrospective study was carried out. After reviewing the medical records included in the dental department health program and applying the sample selection criteria, the records of 106 children with a diagnosis of unilateral posterior crossbite were recruited to subsequently study the position and angulation variables of the maxillary canines by Power-Short (PS), Warford (W) and Ericson-Kurol (EK) analysis as well as the distance between the canine cusp and the occlusal plane (CCPO). The statistical study was accomplished using the IBM SPSS statistics V.26 programme where a descriptive analysis of measures of central tendency was executed and the statistical tests of Kruskal Wallis andWilcoxon were applied. Result: A total of 212 canines were analyzed. The angulations of these teeth on the crossbite side were higher in PS analysis with an average of 13. 88º and positions more frequently in sector II in EK analysis than their contralateral with p <0.05. The data obtained in the analysis of W represented an average of 77º and CCPO of 15.3 mm for the MCP side with a p> 0.05. Conclusions: On the malocclusion side, the position and angulation of the canine germ presented 2.7 to 2.8 times more risk of impaction than the contralateral one.
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Encuadrado en la línea de investigación : Normalidad y patología odontopediátrica. Determinación de protocolos terapéuticos y evaluación de su aplicabilidad en Odontopediatría.