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Evaluation of the Potential of Commercial Vitamin Drinks to Induce Tooth Erosion
J Dent Hyg Sci 2019;19:154-61
Published online September 30, 2019;  https://doi.org/10.17135/jdhs.2019.19.3.154
© 2019 Korean Society of Dental Hygiene Science.

Han-Na Kim1,* , Tae-Lim Yoon2,* , Ji-Hyun Min1,†

Departments of 1Dental Hygiene and 2Physical Therapy, College of Health Sciences, Cheongju University, Cheongju 28503, Korea
Correspondence to: Ji-Hyun Min, https://orcid.org/0000-0001-5177-7600
Department of Dental Hygiene, College of Health Sciences, Cheongju University, 298 Daesung-ro, Cheongwon-gu, Cheongju 28503, Korea
Tel: +82-43-229-8375, Fax: +82-43-229-8969, E-mail: jhmin@cju.ac.kr
*These authors contributed equally to this work.
Received July 16, 2019; Revised August 7, 2019; Accepted August 14, 2019.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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.
Keywords : Fluorescence loss, Lesion depth, Tooth erosion, Vitamin drink


September 2019, 19 (3)
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