Document Detail


Dentin permeability: a comparison of functional versus anatomical tubular radii.
MedLine Citation:
PMID:  281335     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Two independent techniques (filtration and surface tension) were developed to measure the functional tubular radii of 11 dentin and 2 glass discs. Anatomic radii were determined using SEM for comparative purposes. The functional radii of the dentin discs ranged from 5 to 40% of the anatomic radii. This differences was due to the fact that SEM visualizes only the surface while the functional techniques measure the radii within dentin tubules. It is concluded that the functional methods are preferred whenever the dynamics of fluid flow through dentin are under consideration.
Authors:
V Michelich; D H Pashley; G M Whitford
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Journal of dental research     Volume:  57     ISSN:  0022-0345     ISO Abbreviation:  J. Dent. Res.     Publication Date:    1978 Nov-Dec
Date Detail:
Created Date:  1979-02-21     Completed Date:  1979-02-21     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0354343     Medline TA:  J Dent Res     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1019-24     Citation Subset:  D; IM    
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MeSH Terms
Descriptor/Qualifier:
Acid Etching, Dental
Dentin / ultrastructure*
Dentin Permeability*
Filtration
Humans
Pressure
Rheology
Surface Tension
Tooth Permeability*

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


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