Articulator-related registration--a simple concept for minimizing eccentric occlusal errors in the articulator.
Articulator-related registration--a simple concept for minimizing eccentric occlusal errors in the articulator.
复制标题
咬合架相关配准——一个最小化咬合架偏心咬合误差的简单概念。
DOI：
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发表时间：
2002
期刊：
影响因子：
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通讯作者：
M. Wichmann
中科院分区：
文献类型：
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作者：
P. Pröschel;T. Morneburg;A. Hugger;B. Kordaß;P. Ottl;W. Niedermeier;M. Wichmann
目的
本研究的目的是开发一个易于使用的个人注册程序，并测试其准确性。与普通原理不同，该方法应基于将咬合架几何形状转移到患者。
材料和方法
该系统由一个咬合架将咬合板固定在标准位置。咬合板连接到电子记录系统，该系统通过中心关系记录将咬合架的髁突点虚拟地传递到患者的下颌骨。记录下颌前伸和侧屈过程中转移点的运动轨迹。根据轨迹，测量矢状髁和班尼特角，并在通过咬合板安装石膏后在咬合架处进行调整。使用机械测试装置，通过与10 - 60度（髁突角）和0 - 40度（班尼特角）的预设值（以10度为增量）进行比较，检查测量角度的准确度。
结果
测量的髁突角度与预设值的平均偏差范围在1.5度和0度之间。班尼特角的平均偏差范围为-0.5 °至-1.3 °。
结论
将咬合架几何形状转移到患者减少了模拟下颌运动到髁和班尼特角所需的单个参数的数量。这导致配准和管型转移的显著简化。由于所需的参数记录具有高精度，该方法可以替代传统的复杂的仪器配准。
PURPOSE
The purpose of this study was to develop an easy-to-use procedure for individual registration and to test its accuracy. Unlike common principles, the method should be based on a transfer of the articulator geometry to the patient.
MATERIALS AND METHODS
The system consists of an articulator holding a bite plate in a standard position. The bite plate connects to an electronic recording system, which transfers the articulator's condylar points virtually to the patient's mandible by a centric relation record. The trajectories of the transferred points are recorded during mandibular protrusions and laterotrusions. From the trajectories, sagittal condylar and Bennett angles are measured and are adjusted at the articulator after mounting of the casts via the bite plate. Using a mechanical testing device, the accuracy of the measured angles was examined by comparison with preset values varying from 10 to 60 degrees (condylar angle) and from 0 to 40 degrees (Bennett angle) in 10-degree increments.
RESULTS
The mean deviations of measured condylar angles from preset values ranged between 1.5 and 0 degrees. The mean deviations of the Bennett angles ranged from -0.5 to -1.3 degrees.
CONCLUSION
The transfer of articulator geometry to the patient reduces the number of individual parameters necessary to imitate jaw motion to the condylar and Bennett angles. This leads to a significant simplification in registration and cast transfer. Since the required parameters are recorded with high accuracy, the method could be an alternative to traditional sophisticated instrumental registration.