| Comparability and discriminating power of 4 plaque quantifications. | |
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MedLine Citation:
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PMID: 8473533 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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This study was designed for analysis of the discriminating power of 4 different quantifications of supragingival plaque: (1) plaque wet weight (PWW); (2) the plaque index (PlI); (3) the PLQ index measuring the coronal extension of plaque; (4) the area % of stained plaque. Different quantities of plaque were produced by adding chlorhexidine acetate (CHX), hydrogen peroxide (H2O2), or sucrose to experimental chewing gums. Total mean scores of 12 subjects in each of 3 test groups revealed that chewing of CHX gum resulted in the lowest plaque scores with all 4 quantifications and that the highest scores were recorded for the PWW or PlI of the sucrose gum users. Chewing of the H2O2 gum produced as much plaque as the sucrose gum when evaluated according to the PLQ index and exceeded the sucrose gum scores when evaluated according to the area % index. The PWW discriminated best between low, medium and high plaque scores after chewing of both CHX, H2O2 and sucrose gums. PlI scores 1 and 3 remained stable whereas the frequency of PlI score 0 strongly decreased and that of score 2 strongly increased when going from gums producing low (CHX) and medium (H2O2) to large (sucrose) amounts of plaque. The PLQ index discriminated well between low and medium but poorly between medium and large amounts of plaque. The area % index functioned well when subjects with low (CHX) and medium (H2O2) plaque scores were subgrouped into those with < 30%, 30-70% or > 70% of their tooth surfaces covered with stained plaque.(ABSTRACT TRUNCATED AT 250 WORDS) |
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Authors:
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J Ainamo; H Etemadzadeh; P Kallio |
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Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: Journal of clinical periodontology Volume: 20 ISSN: 0303-6979 ISO Abbreviation: J. Clin. Periodontol. Publication Date: 1993 Apr |
Date Detail:
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Created Date: 1993-05-17 Completed Date: 1993-05-17 Revised Date: 2007-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0425123 Medline TA: J Clin Periodontol Country: DENMARK |
Other Details:
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Languages: eng Pagination: 244-9 Citation Subset: D; IM |
Affiliation:
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Department of Periodontology, University of Helsinki, Finland. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Chewing Gum Chlorhexidine Clinical Trials as Topic / methods Dental Plaque / diagnosis* Dental Plaque Index* Humans Hydrogen Peroxide Reproducibility of Results Sucrose |
| Chemical | |
Reg. No./Substance:
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0/Chewing Gum; 55-56-1/Chlorhexidine; 57-50-1/Sucrose; 7722-84-1/Hydrogen Peroxide |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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