Assessing the mobility of the mandibular condyle by sonography

Han-Yu Chen,1 Shyi-Kuen Wu,1 Chuan-Chin Lu,1,2 Jia-Yuan You,3 Chung-Liang Lai4 1Department of Physical Therapy, Hungkuang University, Taichung, Taiwan; 2Department of Rheumatology, Taichung Hospital, Department of Health, Taiwan; 3Department of Physical Therapy, I-Shou University, Kaohsiung, Taiwan...

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Main Authors: Chen HY, Wu SK, Lu CC, You JY, Lai CL
Format: Article
Language:English
Published: Dove Medical Press 2014-10-01
Series:Patient Preference and Adherence
Online Access:http://www.dovepress.com/assessing-the-mobility-of-the-mandibular-condyle-by-sonography-peer-reviewed-article-PPA
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author Chen HY
Wu SK
Lu CC
You JY
Lai CL
author_facet Chen HY
Wu SK
Lu CC
You JY
Lai CL
author_sort Chen HY
collection DOAJ
description Han-Yu Chen,1 Shyi-Kuen Wu,1 Chuan-Chin Lu,1,2 Jia-Yuan You,3 Chung-Liang Lai4 1Department of Physical Therapy, Hungkuang University, Taichung, Taiwan; 2Department of Rheumatology, Taichung Hospital, Department of Health, Taiwan; 3Department of Physical Therapy, I-Shou University, Kaohsiung, Taiwan; 4Department of Physical Medicine and Rehabilitation, Taichung Hospital, Department of Health, Taiwan Purpose: Traditionally, the measurement of the maximal mouth opening was regarded as the mobility of the temporomandibular joint. The information, however, was not reliable. Sonography was often used to diagnose disc displacement in the temporomandibular joint and its validity was well established. The tool was also appropriate for measuring the outcome of temporomandibular disorders management. Therefore, the purpose of the study was to examine completely the reliability and error for evaluating the mobility of the mandibular condyle by sonography. In addition, the existing methods were modified to improve the repeatability.Patients and methods: The reliability examinations included between-image and within-image explorations to represent the reliabilities of the image capturing and the mobility measuring, respectively. Sixty-two subjects were recruited to receive ultrasonic examination for condylar mobility. The images of the condyle in mouth closing and opening were captured and the horizontal displacement of the condyles was measured as the anterior translation of the condyle. To confirm that the probe did not move during mouth opening, a marker was placed between the skin and the ultrasonic probe as the landmark.Results: The results demonstrated that the intrarater and interrater reliabilities in the within-image test were 0.986 and 0.970 and the reliabilities in the between-image test were 0.904 and 0.857, respectively. The standard errors of measurement in the within-image and between-image tests were 0.04 cm and 0.09 cm, respectively.Conclusion: Sonography is a reliable tool to assess condylar mobility and can be used to measure the treatment outcome for temporomandibular disorders. Keywords: temporomandibular disorders, sonography, mandibular condyle, reliability
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spelling doaj.art-60000822803f49a0b30708e5c22ad4952022-12-21T18:29:59ZengDove Medical PressPatient Preference and Adherence1177-889X2014-10-012014default1419142518780Assessing the mobility of the mandibular condyle by sonographyChen HYWu SKLu CCYou JYLai CLHan-Yu Chen,1 Shyi-Kuen Wu,1 Chuan-Chin Lu,1,2 Jia-Yuan You,3 Chung-Liang Lai4 1Department of Physical Therapy, Hungkuang University, Taichung, Taiwan; 2Department of Rheumatology, Taichung Hospital, Department of Health, Taiwan; 3Department of Physical Therapy, I-Shou University, Kaohsiung, Taiwan; 4Department of Physical Medicine and Rehabilitation, Taichung Hospital, Department of Health, Taiwan Purpose: Traditionally, the measurement of the maximal mouth opening was regarded as the mobility of the temporomandibular joint. The information, however, was not reliable. Sonography was often used to diagnose disc displacement in the temporomandibular joint and its validity was well established. The tool was also appropriate for measuring the outcome of temporomandibular disorders management. Therefore, the purpose of the study was to examine completely the reliability and error for evaluating the mobility of the mandibular condyle by sonography. In addition, the existing methods were modified to improve the repeatability.Patients and methods: The reliability examinations included between-image and within-image explorations to represent the reliabilities of the image capturing and the mobility measuring, respectively. Sixty-two subjects were recruited to receive ultrasonic examination for condylar mobility. The images of the condyle in mouth closing and opening were captured and the horizontal displacement of the condyles was measured as the anterior translation of the condyle. To confirm that the probe did not move during mouth opening, a marker was placed between the skin and the ultrasonic probe as the landmark.Results: The results demonstrated that the intrarater and interrater reliabilities in the within-image test were 0.986 and 0.970 and the reliabilities in the between-image test were 0.904 and 0.857, respectively. The standard errors of measurement in the within-image and between-image tests were 0.04 cm and 0.09 cm, respectively.Conclusion: Sonography is a reliable tool to assess condylar mobility and can be used to measure the treatment outcome for temporomandibular disorders. Keywords: temporomandibular disorders, sonography, mandibular condyle, reliabilityhttp://www.dovepress.com/assessing-the-mobility-of-the-mandibular-condyle-by-sonography-peer-reviewed-article-PPA
spellingShingle Chen HY
Wu SK
Lu CC
You JY
Lai CL
Assessing the mobility of the mandibular condyle by sonography
Patient Preference and Adherence
title Assessing the mobility of the mandibular condyle by sonography
title_full Assessing the mobility of the mandibular condyle by sonography
title_fullStr Assessing the mobility of the mandibular condyle by sonography
title_full_unstemmed Assessing the mobility of the mandibular condyle by sonography
title_short Assessing the mobility of the mandibular condyle by sonography
title_sort assessing the mobility of the mandibular condyle by sonography
url http://www.dovepress.com/assessing-the-mobility-of-the-mandibular-condyle-by-sonography-peer-reviewed-article-PPA
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