Influence of Remineralizing Dentifrice in the Treatment of Erosive Enamel Lesions

Autores

  • Júlia Bazaga Ferreira University of Uberaba, Dentistry Course. MG, Brazil
  • Gabriella Rodovalho Paiva Uberaba University, Stricto Sensu Graduate Program in Dentistry. MG, Brazil.
  • Vinícius Rangel Geraldo-Martins Uberaba University, Stricto Sensu Graduate Program in Dentistry. MG, Brazil
  • Juliana Jendiroba Faraoni University of São Paulo, Ribeirão Preto School of Dentistry, Department of Restorative Dentistry. SP, Brazil
  • Regina Guenka Palma Dibb University of São Paulo, Ribeirão Preto School of Dentistry, Department of Restorative Dentistry. SP, Brazil.
  • Cesar Penazzo Lepri Uberaba University, Stricto Sensu Graduate Program in Dentistry. MG, Brazil

DOI:

https://doi.org/10.17921/2447-8938.2018v20n4p238-242

Resumo

O objetivo deste trabalho in vitro foi avaliar a influência de diferentes agentes remineralizantes no tratamento de lesões erosivas em esmalte. Foram confeccionados espécimes de 4mmx4mm e 3 mm de espessura a partir da superfície vestibular de incisivos bovinos (n=10) e divididos aleatoriamente em 4 grupos. G1=aplicação do dentifrício remineralizante, G2= aplicação do agente potencializador remineralizante, G3= dentifrício remineralizante + agente potencializador remineralizante, G4=aplicação de verniz fluoretado (controle positivo), G5=nenhum tratamento (controle negativo). Os espécimes foram imersos em refrigerante durante um período de 10 dias. A rugosidade superficial foi analisada por meio de microscopia confocal de varredura a laser. Os dados foram analisados quanto à homogeneidade (Levene’s) e normalidade (Kolmogorov- Smirnov). Foram realizados testes paramétricos com análise de variância a dois critérios: fator tempo e fator tratamento, e pós-teste de Tukey para diferenciação das médias. Todos os testes estatísticos tiveram nível de significância de 5% (α=0,05). Os resultados obtidos mostraram diferenças estatisticamente significantes, demonstrando a redução da rugosidade da superfície do esmalte logo após o primeiro tratamento (G3) e para os demais grupos (G1, G2 e G4) somente após o segundo tratamento. Concluiu-se que a utilização de dentifrício composto por silicato de cálcio e fosfato de sódio influenciou na rugosidade do esmalte erodido do dente bovino.

Palavras-chave: Dentifrícios. Erosão Dentária. Esmalte Dentário.


Abstract

 

The objective of this in vitro study was to evaluate the influence of different remineralizing agents in the treatment of enamel erosive lesions. Specimens of 4mmx4mm and 3mm thickness were made from the buccal surface of bovine incisors (n=10) and randomly divided into 4 groups. G1 = application of the remineralizing dentifrice, G2 = application of the remineralizing agent, G3 = remineralizing dentifrice + remineralizing agente, G4 = application of fluoride varnish (positive control), G5 = no treatment Specimens were immersed in refrigerant solution during a period of 10 days. The surface roughness was analyzed by means of confocal laser scanning microscopy. The data were analyzed for homogeneity (Levene's) and normality (Kolmogorov-Smirnov). Parametric tests with analysis of variance were performed on two criteria: time factor and treatment factor, and Tukey post-test for differentiation of means. All tests were statistically significant at 5% (α = 0.05). The results showed statistically significant difference, demonstrating the reduction of surface roughness after the first treatment (G3) and the other groups (G1, G2 and G4) only after the second treatment. It was concluded that the use of dentifrice composed of calcium silicate and sodium phosphate influenced the roughness of the eroded tooth enamel of the bovine tooth.

Keywords: Dentifrices. Tooth Erosion. Tooth Enamel.

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2018-12-30

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