J Dent Hyg Sci.  2019 Sep;19(3):154-161. 10.17135/jdhs.2019.19.3.154.

Evaluation of the Potential of Commercial Vitamin Drinks to Induce Tooth Erosion

Affiliations
  • 1Department of Dental Hygiene, College of Health Sciences, Cheongju University, Cheongju 28503, Korea. jhmin@cju.ac.kr
  • 2Department of Physical Therapy, College of Health Sciences, Cheongju University, Cheongju 28503, Korea.

Abstract

BACKGROUND
The market for vitamin drinks is expanding both in Korea and worldwide. However, it was difficult to find studies regarding the possibility of tooth erosion induction due to vitamin drinks. The purpose of the present in vitro study was to evaluate the effect of tooth erosion caused by a few commercial vitamin beverages on bovine teeth enamel in terms of erosion depth and fluorescence loss.
METHODS
Three experimental groups (vitamin drinks), a positive control group (Coca-Cola), and a negative control group (mineral water) were established. Each group consisted of 5 specimens obtained from sound bovine teeth. The pH and titratable acidity of beverages were measured. Specimens were immersed in the beverages and artificial saliva for 6 and 18 hours, respectively. This cycle was repeated for 5 days. The depth of the tooth loss caused by tooth erosion (erosion depth) and maximum loss of fluorescence (Max ΔF) were measured using the microscope and quantified light-induced fluorescence-digital, respectively. For the statistical analysis, the Kruskal-Wallis test and ANOVA were used to compare the erosion depth and Max ΔF of the enamel surfaces. In addition, Spearman correlations were estimated.
RESULTS
The pH of the three vitamin beverages ranged from 2.65 to 3.01, which is similar to that of the positive control group. All beverages, except mineral water, had sugar and acidic ingredients. Vitamin drinks and the positive control, Coca-Cola, caused tooth erosion lesions, and showed significant differences in erosion depth compared to mineral water (p<0.05). The vitamin beverages with low pH were associated with high erosion depth and Max ΔF.
CONCLUSION
Vitamin drinks have the potential to cause tooth erosion.

Keyword

Fluorescence loss; Lesion depth; Tooth erosion; Vitamin drink

MeSH Terms

Beverages
Dental Enamel
Fluorescence
Hydrogen-Ion Concentration
In Vitro Techniques
Korea
Mineral Waters
Saliva, Artificial
Tooth Erosion*
Tooth Loss
Tooth*
Vitamins*
Mineral Waters
Saliva, Artificial
Vitamins
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