Document Detail


Influence of fluoride dentifrice on brushing abrasion of eroded human enamel: an in situ/ex vivo study.
MedLine Citation:
PMID:  17167264     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
This in situ/ex vivo study assessed the effect of fluoride dentifrice on eroded enamel subjected to brushing abrasion. In a crossover study performed in 2 phases, 10 volunteers wore acrylic palatal appliances, each containing 3 human enamel blocks. Dentifrice was used to brush the volunteers' teeth and the specimens subjected to abrasion. In phases A and B the dentifrices used had the same formulation, except for the absence or presence of fluoride, respectively. The blocks were subjected to erosion by immersion of the appliances in a cola drink for 5 min, 4 times a day. Then the blocks were brushed, and the appliance was replaced into the mouth. Enamel alterations were determined using profilometry and percentage change in surface microhardness (%SMHC) tests. The data were tested using the paired t test. The mean wear values (+/-SD, microm) were: group A 6.84 +/- 1.72 and group B 5.38 +/- 1.21 (p = 0.04). The mean %SMHC values (+/-SD) were: group A 54.6 +/- 16.2 and group B 45.7 +/- 6.8 (p = 0.04). Fluoride dentifrice had a protective effect on eroded enamel subjected to brushing abrasion.
Authors:
A C Magalhães; D Rios; A C B Delbem; M A R Buzalaf; M A A M Machado
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Publication Detail:
Type:  Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  Caries research     Volume:  41     ISSN:  0008-6568     ISO Abbreviation:  Caries Res.     Publication Date:  2007  
Date Detail:
Created Date:  2006-12-14     Completed Date:  2007-04-02     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0103374     Medline TA:  Caries Res     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  77-9     Citation Subset:  D; IM    
Affiliation:
Bauru School of Dentistry, University of São Paulo, Bauru, Brazil.
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MeSH Terms
Descriptor/Qualifier:
Adult
Analysis of Variance
Dental Enamel / chemistry,  drug effects*
Dentifrices / adverse effects*,  chemistry
Double-Blind Method
Fluorides / pharmacology*
Hardness / drug effects
Humans
Surface Properties
Tooth Abrasion / drug therapy*,  prevention & control
Tooth Erosion / chemically induced,  drug therapy
Chemical
Reg. No./Substance:
0/Dentifrices; 0/Fluorides

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


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