Document Detail

Denture wearing and strong bite force reduce pressure pain threshold of edentulous oral mucosa.
MedLine Citation:
PMID:  15369468     Owner:  NLM     Status:  MEDLINE    
Pain in denture supporting tissue is one of the most common and critical problems affecting function and treatment outcomes in complete denture prosthetics. The objective of this study was to investigate the effects of denture wearing and bite force on the pressure pain threshold (PPT) of edentulous oral mucosa. PPT was measured in denture and non-denture-wearing patients by using an electronic-controlled pressure algometer. Bite force was measured in denture-wearing patients by using a pressure-detecting sheet. The mid palate showed 200-300% higher PPT than the buccal alveolar mucosa (two-way anova, P < 0.0001). Denture-wearing patients exhibited 40% lower palatal PPT than non-denture-wearing patients. In denture-wearing patients, PPT in the selected areas of the oral mucosa was negatively correlated with bite force. Denture wearing may reduce PPT in selected areas of the edentulous oral mucosa, and the PPT reduction may be associated with mechanical stress on the mucosa generated by bite force.
M Tanaka; T Ogimoto; K Koyano; T Ogawa
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of oral rehabilitation     Volume:  31     ISSN:  0305-182X     ISO Abbreviation:  J Oral Rehabil     Publication Date:  2004 Sep 
Date Detail:
Created Date:  2004-09-16     Completed Date:  2005-02-03     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0433604     Medline TA:  J Oral Rehabil     Country:  England    
Other Details:
Languages:  eng     Pagination:  873-8     Citation Subset:  D; IM    
Graduate School of Dental Science, Kyushu University, Fukuoka, Japan.
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MeSH Terms
Aged, 80 and over
Analysis of Variance
Bite Force*
Denture, Complete*
Gingiva / physiopathology
Middle Aged
Mouth Mucosa / physiopathology*
Mouth, Edentulous / physiopathology*
Pain Measurement / methods
Pain Threshold / physiology*

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

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