Document Detail

Bleeding on probing as it relates to probing pressure and gingival health.
MedLine Citation:
PMID:  1856306     Owner:  NLM     Status:  MEDLINE    
The present study was designed to determine the threshold pressure value to be applied in provoking bleeding on probing (BOP) in clinically healthy gingival units. 12 female dental hygiene students volunteered for the study. They were selected on the basis of excellent oral hygiene standards, absence of probing depths greater than 3 mm and absence of caries or dental restorations on smooth and proximal tooth surfaces. Applying a probing force of 0.25, 0.5, 0.75 and 1.0 N in one of the 4 jaw quadrants, respectively, on 2 different occasions with an interval of 10 days, bleeding on probing was assessed. Oral hygiene and gingival conditions were determined using the criteria of the plaque control record and the gingival index. On the basis of the BOP values, obtained using the lowest probing force (0.25 N), the subjects were divided into 2 groups: group 1 ("minimal BOP" value) consisted of 6 subjects yielding practically no bleeding (mean BOP = 0.9%) at both examinations, while the subjects of group 2 ("low BOP" value) had slightly higher BOP% (mean BOP = 13.4%). Both groups showed significant increase in mean BOP% with increasing probing force (0.9%-36.1% in group 1 and 13.4%-47.0% in group 2). Regression analysis revealed an almost linear correlation and a high correlation coefficient between BOP% and probing force. The comparison of the regression lines of the 2 groups showed almost identical slope inclination. However, slight differences in slope inclination were found for different sites: approximal sites clearly yielded steeper regression lines than buccal/oral sites.(ABSTRACT TRUNCATED AT 250 WORDS)
N P Lang; S Nyman; C Senn; A Joss
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of clinical periodontology     Volume:  18     ISSN:  0303-6979     ISO Abbreviation:  J. Clin. Periodontol.     Publication Date:  1991 Apr 
Date Detail:
Created Date:  1991-08-29     Completed Date:  1991-08-29     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0425123     Medline TA:  J Clin Periodontol     Country:  DENMARK    
Other Details:
Languages:  eng     Pagination:  257-61     Citation Subset:  D; IM    
University of Berne, School of Dental Medicine, Switzerland.
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MeSH Terms
Dental Plaque / prevention & control
Dental Stress Analysis
Electronics, Medical / instrumentation
Gingiva / physiopathology*
Gingival Hemorrhage / etiology*
Oral Hygiene
Periodontal Index
Periodontics / instrumentation*

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