Angle Class II/2nd Division: is there an alignment?

Ana Lucia de Oliveira NASCIMENTO, Fabiano REIS, Mirian Hideko NAGAE
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Abstract

Abstract Introduction Interdisciplinary investigative study of the stomatognathic-cervical complex, necessary to understand the structure and biomechanics of this system in Angle Class I and II / 2nd Division participants. Objective To evaluate alignment and position of cranial cervical structures on radiographs and their functional relationship with the stomatognathic system. Material and method Trans Oral and Profile radiographs were submitted to biomechanical analysis, considered the linear and angular measurement of Atlas and Axis through the application included in the radiogram software. Result We observed a significant difference in the angular measurements of vertical alignment between the Skull, Axis, and the Mandible (p = <0.001), and in the left joint between the Atlas and the Axis (AE: p = 0.011; SEA: p = 0.042). Among the linear measures of the distances between the Atlas and the Axis, the AOD distance presented statistics quite close to the level of significance (p = 0.0502), but above. There was no statistically significant difference in the other measures. Conclusion In this study, the alignment between the Atlas and Axis cervical vertebrae and the mandible and angles of the atlanto-occipital joints are altered in Class II / 2nd Division participants. There is no difference in the size and distance of the Atlas and the Axis between the Classes.
角II级/乙级:有对齐吗?
摘要介绍对口腔-颌-颈椎复合体进行跨学科的调查研究,对于了解该系统在角I级和II级/ 2级参与者中的结构和生物力学是必要的。目的探讨颅颈结构的x线定位及其与口颌系统的功能关系。材料和方法经口和侧位x线片提交生物力学分析,通过x线片软件中的应用程序考虑Atlas和Axis的线性和角度测量。结果我们观察到颅骨、枢椎和下颌骨之间垂直排列的角度测量值(p = <0.001),以及枢椎和枢椎之间的左关节的角度测量值(AE: p = 0.011;SEA: p = 0.042)。在Atlas与Axis之间距离的线性测量中,AOD距离的统计量非常接近显著性水平(p = 0.0502),但高于显著性水平。在其他测量中没有统计学上的显著差异。结论:在本研究中,II级/ 2级患者寰枢椎和颈椎轴与下颌骨之间的对齐以及寰枢-枕关节的角度发生了改变。类之间的地图集和轴的大小和距离没有区别。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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