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1.
J Dent Child (Chic) ; 75(2): 121-4, 2008.
Article in English | MEDLINE | ID: mdl-18647506

ABSTRACT

PURPOSE: Since there is no agreement about the time patients must refrain from drinking or eating after a professional application of acidulated phosphate fluoride (APF), the purpose of this study was to evaluate the effect of water consumption on fluoride in saliva. METHODS: This blind randomized crossover in vivo study involved children who received a professional APF gel application followed by either drinking a glass of water (experimental group) or without rinsing, drinking, or eating (control group) for 2 hours. The nonstimulated saliva was collected at 0, 5, 15, 30, 60, and 120 minutes following the professional APF application. After a 7-day washout period, the control and treatment groups were switched. RESULTS: There was a statistically significant difference in the fluoride retention between groups in the times 0 to 5 minutes (P<.05). CONCLUSIONS: The data suggest that the recommendation of asking patients to refrain from drinking water for 30 minutes following the professional APF application is excessive and can be reduced to 15 minutes.


Subject(s)
Acidulated Phosphate Fluoride/pharmacokinetics , Cariostatic Agents/pharmacokinetics , Dental Caries/prevention & control , Drinking/physiology , Fluorides, Topical/pharmacokinetics , Saliva/metabolism , Acidulated Phosphate Fluoride/therapeutic use , Cariostatic Agents/therapeutic use , Child , Cross-Over Studies , Dental Caries/metabolism , Eating/physiology , Female , Fluorides, Topical/therapeutic use , Follow-Up Studies , Humans , Male , Single-Blind Method , Time Factors
2.
Rev. Fac. Odontol. Porto Alegre ; 47(3): 29-32, dez. 2006. graf, tab
Article in Portuguese | LILACS, BBO - Dentistry | ID: lil-519034

ABSTRACT

O objetivo do presente estudo foi avaliar a retenção oral do fluoreto em crianças com e sem experiência da doença cárie após a escovação com um dentifrício de baixa concentração de fluoreto. O estudo clínico foi randomizado e cego, que avaliou a retenção de flúor em 18 crianças, sendo 9 "livres de cárie" e 9 com atividade da doença, após a escovação com um dentifrício de 500 ppm F, tendo como controle um dentifrício de 1100 ppm F. As amostras de saliva foram coletadas, sem estimulação salivar no tempo O (baseline) e em 1, 15, 30, 60, 90 e 120 min após a escovação e analisadas por um eletrodo específico de flúor. Os resultados mostraram que dentifrícios com maior concentração de flúor tiveram maior retenção de flúor oral (p<0,05), e que a experiência de cárie da criança não interferiu na incorporação de flúor na saliva (p>0,05). Os resultados desse estudo indicam que a retenção de flúor na saliva foi maior com o aumento da concentração de flúor do dentifrício utilizado e que a atividade de cárie na criança não parece ter influência na retenção salivar de fluoreto.


Subject(s)
Humans , Male , Female , Child, Preschool , Dental Caries , Dentifrices , Fluorine , Saliva
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