Effect of Dentifrices Against Hydrochloric Acid-induced Erosion

Autor(es)

Furtado Messias, Danielle Cristine ^[1] ; Maeda, Fernando Akio ^[2] ; Turssi, Cecilia Pedroso ^[3] ; Serra, Monica Campos ^[4]

Afiliação do(s) autor(es)

^[1] Univ Ribeirao Preto, Sch Dent, BR-14096900 Ribeirao Preto, SP - Brazil

^[2] Univ Sao Paulo, Dept Dent Mat, Sch Dent, Sao Paulo - Brazil

^[3] Univ Uberaba, Sch Dent, Uberaba, MG - Brazil

^[4] Univ Sao Paulo, Dept Restorat Dent, Sch Dent Ribeirao Preto, BR-14049 Ribeirao Preto, SP - Brazil

• Tipo de documento: Artigo Científico
• Fonte: ORAL HEALTH & PREVENTIVE DENTISTRY; v. 9, n. 3, p. 269-273, 2011.
• Citações Web of Science: 7

Resumo

Purpose:: This in vitro investigation assessed whether different dentifrices would be capable of controlling the enamel erosion progression caused by HCl. Materials and Methods: Sixty bovine enamel slabs were covered with acid-resistant varnish, except for a 2.5-mm(2) circular area on the labial surface. According to a complete block design, the experimental units were immersed in HCl solution (pH 1.2; 0.1M). After storage in artificial saliva for 1 h, specimens (n = 15) were exposed to different dentifrices: Sensodyne Cool Gel (1100 ppm F), Sensodyne ProNamel (1450 ppm F), and Prey Dent 5000 (5000 ppm F). The control group was immersed in deionised water. Following five cycles of erosive challenge, the slabs were prepared for porosity evaluation using solutions of copper sulfate and rubeanic acid. Results: ANOVA demonstrated no difference in the enamel porosity as a function of the dentifrice employed (P = 0.5494). Conclusion: The damage caused by a simulated intrinsic erosive challenge seems unable to be controlled by fluoridated dentifrices, even when this ion is found in elevated concentrations. (AU)

• Processo FAPESP: 06/05623-2 - Estudo in situ do efeito protetor de uma solução de bicarbonato de sódio em esmalte dental após simulação de desafios erosivos endógenos
• Beneficiário: Danielle Cristine Furtado Messias
• Modalidade de apoio: Bolsas no Brasil - Doutorado