Document Detail


Redefining the biologic width in severe, generalized, chronic periodontitis: implications for therapy.
MedLine Citation:
PMID:  18834240     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Previous studies demonstrated significant variability in the histologic biologic width in periodontal health and mild periodontitis. The purpose of this study was to determine whether the previously established dimensions of the biologic width applied to subjects with severe, generalized, chronic periodontitis. METHODS: Twenty-eight subjects, aged 29 to 45 years, with severe, generalized, chronic periodontitis were included in the study. There were 18 males and 10 females, and 19 (68%) of the patients were smokers. Clinical and radiographic measures were taken by calibrated examiners. The clinical biologic width was determined from the most coronal level of clinical attachment to the crest of the alveolar bone for proximal surfaces only and compared to the histologic biologic width previously reported. RESULTS: The clinical biologic width in subjects with severe, generalized periodontitis was significantly greater than previously reported (P <0.001). For all evaluable proximal sites, the mean clinical biologic width was 3.95 mm versus the mean histologic biologic width of 2.04 mm. The greatest clinical biologic widths were seen with pockets <2 mm (5.02 +/- 2.48 mm; range: 1.60 to 9.00 mm) and 2 to 4 mm (4.16 +/- 1.32 mm; range: 0.20 to 6.40 mm). CONCLUSIONS: The mean clinical biologic width in subjects with severe, generalized, chronic periodontitis seemed to be significantly greater than the histologic biologic width previously reported for subjects not demonstrating significant periodontal pathology. In addition, sites with shallow probing depths demonstrated the greatest biologic width, suggesting that these sites may be at increased risk for losing clinically significant attachment during surgical procedures.
Authors:
M John Novak; Huda M Albather; John M Close
Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of periodontology     Volume:  79     ISSN:  0022-3492     ISO Abbreviation:  J. Periodontol.     Publication Date:  2008 Oct 
Date Detail:
Created Date:  2008-10-06     Completed Date:  2009-01-13     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8000345     Medline TA:  J Periodontol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1864-9     Citation Subset:  D; IM    
Affiliation:
Center for Oral Health Research, University of Kentucky, Lexington, KY 40536-0297, USA. mjnova2@uky.edu
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MeSH Terms
Descriptor/Qualifier:
Adult
Alveolar Bone Loss / pathology,  radiography
Alveolar Process / pathology,  radiography
Chronic Periodontitis / pathology*,  radiography,  therapy
Epithelial Attachment / pathology,  radiography
Female
Humans
Male
Middle Aged
Periodontal Attachment Loss / pathology,  radiography
Periodontal Pocket / pathology,  radiography
Periodontium / pathology*,  radiography
Smoking
Tooth Cervix / pathology,  radiography

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


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