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Título: Effect of commercial fluoride dentifrices against hydrochloric acid in an erosion-abrasion model
Autor(es): Passos, Vanara Florêncio
Vasconcellos, Andréa Araújo de
Pequeno, José Heriberto Pinheiro
Rodrigues, Lidiany Karla Azevedo
Santiago, Sérgio Lima
Palavras-chave: Dentifrícios
Ácido Clorídrico
Data do documento: Jan-2014
Editor: Clinical Oral Investigations
Citação: PASSOS, V. F. ; VASCONCELLOS, A. A. ; PEQUENO, J. H. P. ; RODRIGUES, L. K. A. ; SANTIAGO, S. L. (2014)
Abstract: Objectives This study assessed the effect of three commercial dentifrices with different fluoride-containing compounds in controlling the progression of dentin loss using an in vitro erosion-abrasion model. Materials and methods Dentin specimens were randomized into four groups (n=10): control (no F), Elmex (1,400 ppm AmF), Meridol (1,400 ppm AmF/SnF2), and Crest Pro-Health (1,100 ppm SnF2). The dentin specimens were submitted to cycles of demineralization (HCl 0.01 M for 60 s), remineralization (artificial saliva for 60 min), and immersion in 1:3 w/w of dentifrice/artificial saliva, followed by toothbrushing (150 brushing strokes). The cycle was repeated three times daily for 5 days. Surface loss was quantified by stylus profilometry. Data were submitted to one-way ANOVA and Tukey’s tests (p<0.05). Results Wear (μm ± SD) was control 4.1±1.2, Elmex 3.7± 1.5, Meridol 1.3±0.4, and Crest Pro-Health 2.1±0.7. Therefore, all products (except Elmex) produced statistically significantly less mineral loss (p<0.05) when compared with the control. Conclusion None of the dentifrices avoided the erosiveabrasive process; however, SnF2-containing dentifrices were effective in statistically significantly reducing dentin loss. Clinical relevance Scientific literature shows evidence that fluoride can strengthen dental tissue against erosive acid damage. However, the beneficial effect of different fluorides present in commercial dentifrices is questionable. Thus, a determination of an effective fluoride dentifrice may be beneficial in the reduction of the erosive process in patients with gastric disorders.
Descrição: PASSOS, Vanara Florêncio ; VASCONCELLOS, Andréa Araújo de ; PEQUENO, José Heriberto Pinheiro ; RODRIGUES, Lidiany Karla Azevedo ; SANTIAGO, Sérgio Lima. Effect of commercial fluoride dentifrices against hydrochloric acid in an erosion-abrasion model. Clinical Oral Investigations v. 19, n. 1, p. 71–76, jan. 2014.
ISSN: 1432-6981 (print version)
1436-3771 (electronic version)
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