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Table of Contents
Vol. 25, No. 2, 1991
Issue release date: 1991
Section title: Basic Science
Caries Res 1991;25:81–87
(DOI:10.1159/000261348)

Progression and Surface Ultrastructure of in vitro Caused Erosive Lesions in Human and Bovine Enamel

Meurman J.H. · Frank R.M.
Faculté de Chirurgie Dentaire, Universite Louis-Pasteur, Strasbourg, France

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Article / Publication Details

First-Page Preview
Abstract of Basic Science

Received: 4/18/1990
Accepted: 8/20/1990
Published online: 11/18/2009

Number of Print Pages: 7
Number of Figures: 0
Number of Tables: 0

ISSN: 0008-6568 (Print)
eISSN: 1421-976X (Online)

For additional information: http://www.karger.com/CRE

Abstract

Surface prismatic and aprismatic human enamel and unpolished or diamond-polished specimens of bovine enamel, with test and control surfaces on each studied block, were immersed in phosphoric acid containing cola beverage (pH 2.6) and citric or malic acid containing sports drinks (pH 2.8 and 3.4, respectively) for 15–180 min. The specimens were then prepared and studied in a JEOL 35C scanning electron microscope. In human aprismatic surface enamel an irregular type of dissolution was observed, with severely affected areas adjacent to less affected ones. Prismatic human and bovine specimens showed a characteristic dissolution where initial erosion after 15 min immersion was seen to affect specifically the prism sheath areas. Longer immersion caused dissolution of enamel prism cores followed by interprismatic areas. In bovine enamel malic acid affected least the surface ultrastructure when compared with citric and phosphoric acids after 15–30 min of immersion, but thereafter no difference was observed between the acids in causing erosion. Diamond-polished enamel was found more liable to erosion than non-polished enamel. Thus, the structure of enamel greatly modified the progression of in vitro caused erosion, in particular in human tooth specimens.


  

Author Contacts

Dr. J.H. Meurman, Department of Cariology, University of Helsinki, Mannerheimintie 172, SF-00300 Helsinki (Finland)

  

Article Information

Received: April 18, 1990
Accepted after revision: August 20, 1990
Published online: November 18, 2009
Number of Print Pages : 7

  

Publication Details

Caries Research

Vol. 25, No. 2, Year 1991 (Cover Date: 1991)

Journal Editor: Shellis R.P. (Bristol)
ISSN: 0008-6568 (Print), eISSN: 1421-976X (Online)

For additional information: http://www.karger.com/CRE


Article / Publication Details

First-Page Preview
Abstract of Basic Science

Received: 4/18/1990
Accepted: 8/20/1990
Published online: 11/18/2009

Number of Print Pages: 7
Number of Figures: 0
Number of Tables: 0

ISSN: 0008-6568 (Print)
eISSN: 1421-976X (Online)

For additional information: http://www.karger.com/CRE


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Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in goverment regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug.
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