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The prevalence of temporomandibular disorder signs in people with mental retardation.
MedLine Citation:
PMID:  20557436     Owner:  NLM     Status:  In-Process    
The purpose of this study was to determine the prevalence of temporomandibular disorder (TMD) signs and tooth wear levels in a group of hospitalised patients with mental retardation (MR). A total of 118 patients with MR and 104 mentally healthy individuals (control) were included in this study. The groups consisted of equal numbers of male and female patients. TMD signs were evaluated according to the Research Diagnostic Criteria to assess the limitation in maximum mouth opening, the alterations in the mouth opening pathway and temporomandibular joint sounds. In addition, tooth wear was recorded. The frequency of at least one sign of TMD observed in patients with MR (79·7%) was significantly higher than in controls (69·2%) (P=0.03). In addition, 43.2% of the patients with MR had more than one sign of TMD compared with 28.8% of the control group (P = 0·02). Prevalence of each sign exhibited in the MR and control groups was as follows: limitation in mouth opening, 24·6% vs. 13·5% (P=0·02); deviation, 18·6% vs. 26·9% (P=0·001); deflection, 29·7% vs. 10·6% (P=0·001); TMJ sounds, 46·6% vs. 41·1% (P=0·43); bilateral joint sounds 28·8% vs. 16·3% (P=0·05) respectively. Prevalences of TMD signs were not different between genders in both groups (P>0·05). Severe tooth wear was evident in 43·2% of the patients with MR compared with 20·6% of the controls (P=0·001). In conclusion, patients with MR seem to be more prone to having TMD signs compared with the control population.
O Gurbuz; P Kursoglu; G Alatas; K Altinbas
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of oral rehabilitation     Volume:  37     ISSN:  1365-2842     ISO Abbreviation:  J Oral Rehabil     Publication Date:  2010 Nov 
Date Detail:
Created Date:  2010-11-02     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0433604     Medline TA:  J Oral Rehabil     Country:  England    
Other Details:
Languages:  eng     Pagination:  834-9     Citation Subset:  D; IM    
Copyright Information:
© 2010 Blackwell Publishing Ltd.
Department of Dentistry, Bakirkoy Research and Training Hospital for Psychiatry, Neurology and Neurosurgery, Istanbul, Turkey.
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