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Type: Artigo de periódico
Title: Low-fluoride dentifrice and gastrointestinal fluoride absorption after meals
Author: Cury, JA
Del Fiol, FS
Tenuta, LMA
Rosalen, PL
Abstract: A low- fluoride ( F) dentifrice has been recommended to reduce the risk of dental fluorosis, but its anti- caries efficacy is questionable compared with that of conventional dentrifices ( 1000- 1100 mu g F/g). The tested hypothesis was that conventional dentifrices might be safe if used soon after meals, since food interferes with F absorption. In a crossover, double- blind study, 11 volunteers ingested a dentifrice slurry containing 0 ( placebo), 550 ( low F), or 1100 mu g F/g in 3 gastric content situations: on fasting, or 15 min after breakfast or lunch. F was analyzed in saliva and 24- hour urine samples. The conventional dentifrice ingested after lunch resulted in only 10% higher F absorption than the low- F ingested on fasting. Analysis of the data suggests that the risk of fluorosis could be reduced by the use of either a low- F dentifrice or a conventional dentifrice, if toothbrushing occurred soon after meals.
Subject: fluoride
Country: EUA
Editor: Int Amer Assoc Dental Researchi A D R/a A D R
Rights: fechado
Date Issue: 2005
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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