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Masticatory muscle pain before, during, and after treatment with orthopedic protraction headgear：A pilot study
Class III malocclusion Functional orthopedics Muscle pain Electromyography
2009/1/8
Protraction headgear has been used in conjunction with a palatal expansion appliance to correct Class III malocclusion with maxillary deficiency and/or mandibular prognathism. In general, 800 gm o...
Relationship between masticatory muscle activity and vertical craniofacial morphology
Masticatory muscle Electromyogram Digastric muscle Craniofacial morphology
2009/1/8
The purpose of this study was to investigate the relationship between masticatory muscle activity during the day and vertical craniofacial morphology. The sample comprised 30 subjects (20 males and ...
An Adolescent Case of Anterior Open Bite with Masticatory Muscle Dysfunction
Open bite Muscle activity Orthodontic treatment
2008/12/19
In adolescence an open bite is likely to be induced by various causes, and most patients with open bite show masticatory muscle dysfunction. The orthodontic correction of an open bite may lead to ...
Influence of Functional Appliances on Masticatory Muscle Activity
Activator Spring active appliance Masticatory muscle activity Electromyogram
2008/12/1
The purpose of the present study was to investigate the influence of an activator appliance and a spring active appliance on masticatory muscle activity by means of electromyography (EMG). Twelve ad...
The Association of Occlusal Factors with Masticatory Muscle Tenderness in 10- to 19-Year Old Turkish Subjects
Muscle tenderness Occlusal factors
2008/11/26
The aims of this study were (1) to investigate the relationship between occlusal factors and masticatory muscle tenderness among 10- to 19-year-old (mean 14 years eight months) Turkish subjects an...
Modulation of Masticatory Muscle Activity by Tongue Position
Tongue position Masticatory muscle Myofunctional therapy
2008/11/26
The purpose of this study was to test whether the tongue position affects the electromyographic (EMG) activities of masticatory muscles. We recorded the EMG activities of the masseter and anterior t...