Document Detail

Evaluation of an optical instrument for objective assessment of oral mucosal erythema.
MedLine Citation:
PMID:  9722095     Owner:  NLM     Status:  MEDLINE    
This study evaluated the sensitivity and reproducibility of an optical instrument, the Erythema Meter, for quantifying erythema of palatal mucosa. The instrument is based on the principle that haemoglobin in the vasculature selectively absorbs green light but has little effect on red light and allows derivation of an 'erythema index'. Non-clinical investigations were carried out by taking a series of Erythema Meter readings from each colour block on a red check-standard used by graphic artists for colour reproduction. For clinical assessment, 20 dentate patients with healthy palatal mucosa and 40 complete denture wearers (20 with denture stomatitis and 20 with healthy palatal mucosa) were enrolled, and palatal erythema determined both visually and using the Erythema Meter. Two weeks later the Erythema Meter readings for the 40 patients with healthy palatal mucosa were repeated, to allow assessment of the reproducibility of the Erythema Meter scores. The median erythema index was 12 (range 2-38) for dentate patients with healthy palatal mucosa and 5 (range 0-29) for denture wearers with healthy palatal mucosa. For denture stomatitis patients the median erythema index was 95 (range 36-117). The overall reproducibility coefficient was 88%. Visual scoring correlated poorly with the Erythema Meter scores for those with moderate degrees of erythema. The Erythema Meter provides an objective and reproducible means of measuring the degree of erythema of the palatal mucosa.
L J Cross; J Bagg; H Moseley
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of oral rehabilitation     Volume:  25     ISSN:  0305-182X     ISO Abbreviation:  J Oral Rehabil     Publication Date:  1998 Jul 
Date Detail:
Created Date:  1998-10-27     Completed Date:  1998-10-27     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0433604     Medline TA:  J Oral Rehabil     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  496-501     Citation Subset:  D; IM    
University of Glasgow Dental School, Scotland.
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MeSH Terms
Aged, 80 and over
Analysis of Variance
Colorimetry / instrumentation*
Denture, Complete / adverse effects
Erythema / diagnosis*
Middle Aged
Mouth Mucosa / pathology*
Reproducibility of Results
Sensitivity and Specificity
Stomatitis, Denture / diagnosis*,  etiology

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

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