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Formation of alkali-soluble fluoride on the surface of human dental enamel after treatment with fluoridated gels: Influence of the pH variation and of the treatment time

Guimaraes, ARD and Modesto, A and Vieira, AR (2000) Formation of alkali-soluble fluoride on the surface of human dental enamel after treatment with fluoridated gels: Influence of the pH variation and of the treatment time. Journal of Clinical Pediatric Dentistry, 24 (4). 303 - 307. ISSN 1053-4628

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Abstract

The aim of this study was to quantify, in vitro, the formation of CaF2 after the application of three fluoridated gels: one neutral, one acidulated and another highly acidulated, on a bovine enamel dental surface treated with a Dijkman's demineralizing solution (1990). 145 sections were utilized, obtained from 145 sound teeth and divided into seven groups: C (enamel without treatment); FN1 (enamel demineralized and treated with neutral gel for 1 minute); FN4 (enamel demineralized and treated with neutral gel for 4 minutes); FFA1 (enamel demineralized and treated with acidulated gel for 1 minute); FFA4 (enamel demineralized and treated with acidulated gel for 4 minutes); FAA1 (enamel demineralized and treated with highly acidulated gel for 1 minute) and FAA4 (enamel demineralized and treated with highly acidulated gel for 4 minutes). The formation of CaF2 was analyzed by SEM and chemically by Caslavska's method (1975). The average and standard deviations from the groups studied were respectively: C-0.63; 0.38; FN1-23.06; 16.52; FFA1-54.11; 49.00; FAA1-43.87; 32.66; FN4-34.92; 23.00; FFA4-67.91; 42.36; FAA4-56.03; 38.96. (Mann-Whitney non-parametric test). The time of application did not interfere in the CaF2 formation from the acidulated and highly-acidulated gels. A minor concentration of fluoride and amount of pH from highly-acidulated gel did not affect the higher formation from the CaF2 in relation to the acidulated gel in both cases when the application was evaluated.

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Details

Item Type: Article
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Guimaraes, ARD
Modesto, A
Vieira, ARarv11@pitt.eduARV11
Date: 1 January 2000
Date Type: Publication
Journal or Publication Title: Journal of Clinical Pediatric Dentistry
Volume: 24
Number: 4
Page Range: 303 - 307
DOI or Unique Handle: 10.17796/jcpd.24.4.1l437256773n453u
Schools and Programs: School of Dental Medicine > Dental Science
Refereed: Yes
ISSN: 1053-4628
MeSH Headings: Acidulated Phosphate Fluoride--administration & dosage; Acidulated Phosphate Fluoride--chemistry; Animals; Calcium Fluoride--analysis; Cattle; Dental Enamel; Fluorides, Topical--administration & dosage; Fluorides, Topical--chemistry; Gels; Humans; Hydrogen-Ion Concentration; Microscopy, Electron, Scanning; Sodium Fluoride--administration & dosage; Sodium Fluoride--chemistry; Statistics, Nonparametric; Time Factors
PubMed ID: 11314416
Date Deposited: 18 Sep 2012 15:09
Last Modified: 22 Jun 2021 11:55
URI: http://d-scholarship.pitt.edu/id/eprint/14201

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