Effects of commercial plum beverage on the dentin surface of bovine teeth

So-Ra Hwang; Ji-Eun Kim; Ki-Ho Chung; Choong-Ho Choi

doi:10.11149/jkaoh.2019.43.4.178

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Hwang, Kim, Chung, and Choi: Effects of commercial plum beverage on the dentin surface of bovine teeth

Original Article

Journal of Korean Academy of Oral Health 2019; 43(4): 178-183.

Published online: 26 December 2019

DOI: https://doi.org/10.11149/jkaoh.2019.43.4.178

Effects of commercial plum beverage on the dentin surface of bovine teeth

So-Ra Hwang¹

, Ji-Eun Kim¹

, Ki-Ho Chung^1,²

, Choong-Ho Choi^1,²

¹Department of Preventive & Public Health Dentistry, School of Dentisty, Chonnam National University, Gwangju, Korea.

²Dental Science Research Institute, School of Dentisty, Chonnam National University, Gwangju, Korea.

Corresponding Author: Choong-Ho Choi. Department of Preventive & Public Health Dentistry, School of Dentisty, Chonnam National University, 33 Yongbong-ro, Buk-gu, Gwangju 61186, Korea. Tel: +82-62-530-5839, Fax: +82-62-530-5810, hochoi@chonnam.ac.kr

Received 12 November 2019 Revised 4 December 2019 Accepted 9 December 2019

Journal of Korean Academy of Oral Health

(open-access):

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

Objectives

We investigated the effects of commercial plum beverage on the dentin surface that could be exposed to caries, gliopathy, and abrasion to investigate the inhibitory effects of dentin corrosion.

Methods

The experimental beverages were Jeju Samdasoo (Group 1, negative control), Coca-Cola (Group 2, positive control), Chorok Maesil (Group 3), and Chorok Maesil with 3% calcium lactate added (Group 4). The specimens were prepared and divided into 4 groups of 12 each. The pH of the experimental beverages was measured using a pH meter, and specimen surface hardness was assessed according to the Vickers hardness number (VHN). The specimens were immersed in the experimental beverage for 1, 3, 5, 10, and 15 minutes. Then, we obtained the average VHN by measuring surface microhardness. Measures of surface microhardness were compared using the paired t-test before and after 15 minutes of immersion in each of the four beverages. Between-group differences in surface microhardness were compared using one-way analysis of variance and the Tukey test after the analysis.

Results

After 15 minutes of immersion in the experimental beverages, there was no significant difference in surface microhardness in group 1 (P>0.05). There were significant differences in groups 2, 3, and 4 (P<0.05). The difference in surface microhardness before and after immersion for 15 minutes was highest in group 3 (−18.1±2.55), followed by group 2 (−13.0±3.53) and group 4 (−7.79±4.47). In group 1, the difference was −1.52±4.30. Moreover, there was a significant difference in each group (P<0.05). After 10 minutes of immersion, surface microhardness tended to rapidly decrease.

Conclusions

Patients who regularly ingest a commercially available plum drink with low pH should be provided dietary guidance on the risk of dental erosion. Calcium additives should be considered when producing plum beverage products.

Keywords: Acid drink, Dentin, Erosion, Plum beverage

Figures and Tables

Fig. 1

Change of dentin surface microhardness by treatment time (Group: 1, Jeju Samdasoo; 2, Coca Cola; 3, Chorok Maesil; 4, Chorok Maesil+3% Ca).

Table 1

Test groups used in the experiment

Table 2

The pH and titratable acidity of experimental groups

All values are mean±standard deviation.

Group: 1, Jeju Samdasoo; 2, Coca Cola; 3, Chorok Maesil; 4, Chorok Maesil+3% Ca.

Table 3

Difference in dentin surface microhardness after treatment for 15 minutes Unit: Vickers hardness number

All values are mean±standard deviation.

Group: 1, Jeju Samdasoo; 2, Coca Cola; 3, Chorok Maesil; 4, Chorok Maesil+3% Ca.

^*P<0.05, by Paired t-test. ^†P<0.05, by One way ANOVA.

^a,b,c,dThe same letter indicates no significant difference by Tukey test.

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ORCID iDs

So-Ra Hwang
https://orcid.org/0000-0003-0274-1737

Ji-Eun Kim
https://orcid.org/0000-0001-7640-9863

Ki-Ho Chung
https://orcid.org/0000-0002-0395-2344

Choong-Ho Choi
https://orcid.org/0000-0002-6803-3218

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