Preventive effect of a high fluoride toothpaste and arginine-carbonate toothpaste on dentinal tubules exposure followed by acid challenge: a dentine permeability evaluation

BMC Research Notes

José Eduardo Cezar Sampaio³  Alvaro Henrique Borges²  Mateus Rodrigues Tonetto²  Rodrigo Cavassim³  Michele Carolina Pinheiro³  Matheus Coelho Bandéca²  Shelon Cristina Souza Pinto¹ 

[1] Department of Dentistry, Ponta Grossa State University, Ponta Grossa, PR, Brazil;Department of Post-Graduate Program in Integrated Dental Sciences, University of Cuiabá, Cuiabá, MT, Brazil;Department of Dentistry, Araraquara Dental School, São Paulo State University, Araraquara, SP, Brazil

关键词: Toothpastes;    Dentin permeability;    Tooth erosion;   

Others  :  1132405
DOI  :  10.1186/1756-0500-7-385

 received in 2013-06-25, accepted in 2014-06-20,  发布年份 2014

【 摘 要 】

Background

Considering the current high use of high fluoride toothpastes, the aim of the study was to quantify alterations in the root dentine permeability submitted to treatment with a high fluoride toothpaste and 8% arginine, calcium carbonate, sodium monofluorophosphate toothpaste as a preventive treatment for dentinal tubules exposure followed by acid challenge.

Methods

Thirty-third molars were sectioned below the cementoenamel. The root segments were connected to a hydraulic pressure apparatus to measure dentine permeability after the following sequential steps (n = 10 per group): I) Baseline; II) treatment with phosphoric acid for 30 s (maximum permeability); III) Toothbrushing (1 min) according to the experimental groups (G1- control; G2- 5000 ppm fluoride toothpaste; G3- 8% arginine-calcium carbonate toothpaste); IV) acid challenge for 5 min (orange juice). The data were converted into percentage, considering stage II as 100%.

Results

The results have shown a statistically significant decreasing on dentine permeability after treatment with toothpaste (Friedman test and Dunn’s post hoc test). Comparison among groups demonstrated a high increasing on dentine permeability when acid challenge was performed after toothbrushing with distilled water (control group) (Kruskal-Wallis and Dunn’s post hoc test).

Conclusion

The toothpaste treatment may provide sufficient resistance on dentine surface, preventing dentinal tubules exposure after acid challenge.

【 授权许可】

   
2014 Pinto et al.; licensee BioMed Central Ltd.

【 图 表 】

Figure 1.

Figure 2.

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