J Korean Acad Oral Health.  2017 Sep;41(3):208-213. 10.11149/jkaoh.2017.41.3.208.

Effects of dentifrice containing 1,500 ppm F (NaF) on dental erosion

• Jeong SS
• Chung KH

• KMID: 2392440
• DOI: http://doi.org/10.11149/jkaoh.2017.41.3.208

Abstract

OBJECTIVES
The purpose of this study was to evaluate the effect of a dentifrice containing 1,500 ppm F (NaF) and 2% bamboo salt on dental erosion caused by ingestion of acidic beverages.
METHODS
Specimens of extracted bovine teeth enamel were embedded in a resin and polished. Experimental specimens were subjected to one of the six treatments (n=10 per treatment group): the experimental group consisted of 1,500 ppm F (NaF)+2% bamboo salt; 1,500 ppm F (NaF); 1,000 ppm F (NaF)+2% bamboo salt; 1,000 ppm F (NaF); free fluoride+2% bamboo salt; and free fluoride. The specimens were exposed to the experimental dentifrice, an acidic beverage, and artificial saliva. The treated specimens were analyzed using a Vickers surface hardness test and scanning electron microscopy (SEM). Surface hardness and SEM were compared before and after the chemical pH cycling sequences for 12 days.
RESULTS
Group 1 (1,500 ppm F+2% bamboo salt) showed the highest surface hardness, followed by group 2 (1,500 ppm F), group 3 (1,000 ppm F+2% bamboo salt), group 4 (1,000 ppm F), group 5 (free fluoride+2% bamboo salt), and group 6 (free fluoride), in that order. Upon observing the surface by SEM, when bamboo salt was used and when the NaF concentration was higher, the enamel was denser and the surface was more highly remineralized.
CONCLUSIONS
The use of a higher concentration of NaF and bamboo salt resulted in a higher preventive effect on tooth erosive potential. The addition of bamboo salt to dentifrice containing a high concentration of NaF can contribute to preventing dental erosion.

Keyword

Bamboo salt; Dental erosion; NaF; Remineralization

MeSH Terms

Beverages
Dental Enamel
Dentifrices*
Eating
Fluorides
Hardness
Hardness Tests
Hydrogen-Ion Concentration
Microscopy, Electron, Scanning
Saliva, Artificial
Tooth
Dentifrices
Fluorides
Saliva, Artificial

Figure

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  Fig. 1. SEM images of bovine teeth surface after treatment (A: 1,500 ppm F (NaF)+2% BS, B: 1,500 ppm F (NaF), C: 1,000 ppm F (NaF)+2% BS, D: 1,000 ppm F (NaF), E: free fluoride+2% BS, F: free fluoride, ×50,000).

Reference

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