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一种用于对半可调牙合架进行编程的更新技术。

A newer technique to program a semi adjustable articulator.

作者信息

Venkateshwaran R, Karthigeyan Suma, Manoharan P S, Konchada Jagadish, Ramaswamy Manikandan

机构信息

Department of Prosthodontics, Sree Balaji Dental College, Bharath University, Pallikaranai, Chennai, Tamil Nadu, India.

Department of Prosthodontics, Rajah Muthaiah Dental College, Chidambaram, Tamil Nadu, India.

出版信息

J Pharm Bioallied Sci. 2014 Jul;6(Suppl 1):S135-9. doi: 10.4103/0975-7406.137421.

DOI:10.4103/0975-7406.137421
PMID:25210356
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4157252/
Abstract

INTRODUCTION

The difficulty in reproducing accurate angle of condylar guidance in semi-adjustable articulators.

PURPOSE

The purpose of this study was to determine the correlation between the angle of horizontal condylar inclination obtained on a semi-adjustable articulator and the corresponding angle traced on a temporomandibular joint (TMJ) radiograph in completely edentulous subject.

MATERIALS AND METHODS

The horizontal condylar inclination angle was obtained in a semi-adjustable articulator by means of height tracer (extra oral tracing device) and interocclusal records to program the articulator in 21 subjects. TMJ radiograph were recorded by the same operator with same orthopantomogram (OPG) machine (planmeca). Tracings of inclines of articular eminence on the radiograph were compared with the angle obtained on a semi-adjustable articulator. Each measurement was made using manual methods of measuring angle. The results were subjected to the Pearson correlation statistical analysis (α =0.01).

RESULTS

The outline of the articular eminence in a TMJ tomogram radiographic image was identified and traced. A significant correlation was found between the horizontal condylar inclination on a semi-adjustable and the corresponding TMJ tomogram radiographic image for both right (R = 0.789; P = 0.001) and left (i = 0.747; P = 0.004) sides.

CONCLUSION

The articular eminence traced on a TMJ tomogram image represents the horizontal condylar inclination with a mean difference of 5° in 21 subjects evaluated.

摘要

引言

在半可调式牙合架上重现准确髁突引导角度存在困难。

目的

本研究的目的是确定在半可调式牙合架上获得的水平髁突倾斜角度与全口无牙患者颞下颌关节（TMJ）X线片上追踪的相应角度之间的相关性。

材料与方法

通过高度描记器（口外描记装置）和牙合间记录在半可调式牙合架上获得21名受试者的水平髁突倾斜角度，以便对牙合架进行编程。TMJ X线片由同一名操作员使用同一台曲面体层摄影（OPG）机（普兰梅卡）记录。将X线片上关节结节斜面的描记与在半可调式牙合架上获得的角度进行比较。每次测量均采用手动测量角度的方法。结果进行Pearson相关性统计分析（α = 0.01）。

结果

在TMJ体层摄影X线图像中识别并描绘了关节结节的轮廓。在半可调式牙合架上的水平髁突倾斜与相应的TMJ体层摄影X线图像之间，右侧（R = 0.789；P = 0.001）和左侧（i = 0.747；P = 0.004）均发现显著相关性。

结论

在21名接受评估的受试者中，TMJ体层摄影图像上描绘的关节结节代表水平髁突倾斜，平均差异为5°。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/40d8/4157252/b342a88f0d1f/JPBS-6-135-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/40d8/4157252/39033f966cf8/JPBS-6-135-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/40d8/4157252/662412df80a0/JPBS-6-135-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/40d8/4157252/93eb5a5a1930/JPBS-6-135-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/40d8/4157252/54d60d3c7cfa/JPBS-6-135-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/40d8/4157252/b342a88f0d1f/JPBS-6-135-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/40d8/4157252/39033f966cf8/JPBS-6-135-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/40d8/4157252/662412df80a0/JPBS-6-135-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/40d8/4157252/93eb5a5a1930/JPBS-6-135-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/40d8/4157252/54d60d3c7cfa/JPBS-6-135-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/40d8/4157252/b342a88f0d1f/JPBS-6-135-g005.jpg

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