Document Detail


Analysis of post-treatment electromyographs in patients with non-reducing disc displacement of the temporomandibular joint.
MedLine Citation:
PMID:  12453269     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The purpose of this study was to clarify the electromyographic property of chewing movement before and after treatment in patients with non-reducing disc displacement of the temporomandibular joint (TMJ). Twenty patients who were diagnosed with unilateral non-reducing disc displacement of the TMJ were treated by pumping and injection of sodium hyaluronate into the joint. Chewing movement in these patients was evaluated by electromyography (EMG) at the initial visit and at mean 19-month follow-up and the results were compared. Chewing movement in 23 normal controls were also examined. Duration of contraction, cycle time and integrated value at the initial visit which were different from those in the controls without TMJ dysfunction tended to be at the control level mean 19 months after treatment of pumping and injection of sodium hyaluronate into the joint in patients with non-reducing disc displacement of the TMJ. Electromyography appeared to be a method of documenting the chewing movement which was impaired at initial visit improved after treatment in patients with non-reducing disc displacement of the TMJ.
Authors:
S Sato; F Nasu; K Motegi
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of oral rehabilitation     Volume:  29     ISSN:  0305-182X     ISO Abbreviation:  J Oral Rehabil     Publication Date:  2002 Nov 
Date Detail:
Created Date:  2002-11-27     Completed Date:  2003-02-13     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0433604     Medline TA:  J Oral Rehabil     Country:  England    
Other Details:
Languages:  eng     Pagination:  1126-30     Citation Subset:  D; IM    
Affiliation:
Department of Oral and Maxillofacial Surgery I, Tohoku University School of Dentistry, Sendai, Japan. shuichi@mail.cc.tohuku.ac.jp
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Case-Control Studies
Dislocations / physiopathology*,  therapy
Electromyography
Female
Follow-Up Studies
Humans
Hyaluronic Acid / administration & dosage
Injections, Intra-Articular
Mastication*
Masticatory Muscles / physiopathology*
Middle Aged
Range of Motion, Articular
Temporomandibular Joint Disk / physiopathology*
Treatment Outcome
Chemical
Reg. No./Substance:
9004-61-9/Hyaluronic Acid

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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