Effect of Sucrose Concentration on Dental Biofilm Formed in situ and on Enamel Demineralization

Vol. 40, No. 1, 2006

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Original Paper

Effect of Sucrose Concentration on Dental Biofilm Formed in situ and on Enamel Demineralization
C.P. Aires^a, C.P.M. Tabchoury^a, A.A. Del Bel Cury^a, H. Koo^b, J.A. Cury^a

^aFaculty of Dentistry of Piracicaba, UNICAMP, Piracicaba, Brazil;
^bEastman Department of Dentistry and Center for Oral Biology, University of Rochester, Rochester, N.Y., USA

Address of Corresponding Author

Caries Res 2006;40:28-32 (DOI: 10.1159/000088902)

Key Words

Dental caries
Dental biofilm
Enamel
Sucrose

Abstract

The relationship between sucrose concentration and cariogenic potential was studied in situ. Adult volunteers wore intraoral palatal appliances containing human dental enamel blocks, which were extraorally submitted 8 times a day for 14 days, to the treatments: deionized distilled water and sucrose solutions from 1 to 40%. The biofilm formed was analyzed with respect to acidogenicity and biochemical composition; enamel demineralization was evaluated by microhardness. The results showed that 1% sucrose is less cariogenic than 5% or higher concentrations, although sucrose solution at 40% was still able to increase the concentration of insoluble polysaccharide in the biofilm formed. The findings suggest that the threshold of sucrose solution concentration for the formation of a cariogenic biofilm is 5%, which provided the same cariogenic potential as that observed for 10 and 20% sucrose solution.

Author Contacts

Cínthia Pereira Machado Tabchoury
Faculty of Dentistry of Piracicaba
Av. Limeira 901
Piracicaba SP 13414-903 (Brazil)
Tel. +55 19 34125304, ext. 5303, Fax +55 19 34125212, E-Mail cinthia@fop.unicamp.br

Article Information

Received: January 5, 2004
Accepted after revision: April 1, 2005
Number of Print Pages : 5
Number of Figures : 0, Number of Tables : 1, Number of References : 21

Medline Abstract (ID 16352877)

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