11 - DENTIFRÍCIOS REMINERALIZANTES: QUAIS SUAS IMPLICAÇÕES NO MANEJO DA EROSÃO DENTINÁRIA? UM ESTUDO IN VITRO

Doi: 10.47094/978-65-284-0452-0/171-177

PALAVRAS CHAVE: Tooth erosion. Dentin. Toothpastes.

KEYWORDS: Erosão dentária. Dentina. Dentifrícios.

ABSTRACT:
This in vitro study evaluated the effects of different dentifrices on the morphology of eroded dentin. Seventy-five bovine cervical dentin samples were prepared and divided into five groups (n=15): CG – fluoride-free dentifrice (negative control); GSnF2 – anti-erosive dentifrice containing SnF2 (positive control); GACPCPPF – dentifrice containing casein phosphopeptide-amorphous calcium phosphate fluoride (ACP-CPPF); GnanoHAP – dentifrice containing nanohydroxyapatite; and GHAP+F – dentifrice containing hydroxyapatite, fluoride, and xylitol. To induce the initial erosive lesion, specimens were exposed to citric acid solution for 10 minutes. Subsequently, the samples received the dentifrices and were subjected to a 5-day erosive-abrasive cycling protocol. KHN microhardness and 3D laser scanning confocal microscopy analyses were performed. Data were analyzed using two-way ANOVA, ANOVA/Tukey, and paired t-test (?=0.05). All experimental groups, except CG, showed a significant increase in microhardness. GACPCPPF demonstrated lower volume loss and roughness values. Remineralizing dentifrices protected eroded dentin against mineral loss, especially ACP-CPPF, followed by HAP+F.

Autores

• Allícia Drielly Abreu Silva

• Cecy Martins Silva

• Jesuina Lamartine Nogueira Araújo