A system for the study of jaw movements.
A system for the study of jaw movements.
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用于研究下颌运动的系统。
DOI：
10.1080/08869634.1993.11677942
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发表时间：
1993
期刊：
影响因子：
--
通讯作者：
A. Pedotti
中科院分区：
文献类型：
--
作者：
D. Kang;F. Mongini;F. Rossi;G. Tempia;A. Pedotti
本文介绍了一个系统，以记录切和髁状突的运动。它由两个电荷耦合器件（CCD）摄像头，检测固定在脸上的标记的位置，实时硬件识别的标记和软件的三维重建的髁状突和下颌运动。受试者在摄像机前坐直，并被要求进行下颌运动。记录标记的位置，并将坐标输入计算机，并通过在AT IBM个人计算机上实现的数学算法转换为三维运动学数据。专用软件分别计算头部运动和下颌运动，并使用刚体的几何规则对髁突点和齿间点的运动进行三维数学重建。这项初步研究描述了从具有良好牙列的健康受试者获得的张开、闭合、伸展和侧向运动的模式。
This paper describes a system to record incisal and condylar movements. It consists of two Charge Coupled Device (CCD) cameras that detect the position of markers fixed to the face, real-time hardware to recognize the markers and software for three-dimensional reconstruction of condylar and mandibular movements. The subject sat upright in front of the cameras and was asked to perform jaw movements. The position of the markers was recorded and the coordinates were fed into the computer and converted to three-dimensional kinematic data by a mathematical algorithm implemented on an AT IBM personal computer. Dedicated software calculated the head movements and the mandibular movements separately and performed a three-dimensional mathematical reconstruction of the movements of the condylar points and the interincisive point, using the geometrical rules of a rigid body. This pilot study describes the pattern from opening, closing, protrusive, and lateral movements as obtained from healthy subjects with good dentition.