Document Detail


Cyclical phenomena occurring during the maturation of the enamel of rat incisor teeth. Their manifestation during drying.
MedLine Citation:
PMID:  6084654     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
A pattern of obliquely oriented bands has been demonstrated at the surface of the maturation zone enamel of freshly dissected rat incisor teeth as they dry. This pattern, of which there is no evidence in the fresh, wet, or completely dry teeth, consists of up to 4 or 5 pale grey, translucent lines separated by wider, whiter, more opaque bands and has been shown to correlate directly with a similar pattern seen on the same teeth after staining with toluidine blue and previously described as the maturation cycle banding pattern (Boyde and Reith 1982). A second pattern comprised of much more closely spaced bands is also described. In this pattern, which again correlates with a similar pattern seen after toluidine blue staining, translucent and opaque bands cross the maturation zone more transversely and have a width of about 200 microns, approximating to 8 h tooth growth. It is postulated that these banding patterns reflect alternately different drying rates of the maturation zone enamel and that they may correspond to cyclical changes in the hydrophobicity and hydrophilicity of enamel matrix both on a daily basis and on a larger time scale.
Authors:
S A Reid; A Boyde; E J Reith
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Histochemistry     Volume:  81     ISSN:  0301-5564     ISO Abbreviation:  Histochemistry     Publication Date:  1984  
Date Detail:
Created Date:  1985-04-17     Completed Date:  1985-04-17     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  0411300     Medline TA:  Histochemistry     Country:  GERMANY, WEST    
Other Details:
Languages:  eng     Pagination:  521-4     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Animals
Dehydration
Dental Enamel / pathology*,  ultrastructure
Female
Incisor / pathology*,  ultrastructure
Male
Microscopy, Electron, Scanning
Postmortem Changes
Rats
Staining and Labeling
Tolonium Chloride
Grant Support
ID/Acronym/Agency:
DE 05769-05/DE/NIDCR NIH HHS
Chemical
Reg. No./Substance:
92-31-9/Tolonium Chloride

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


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