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The Effect of Children’s Beverages on Degradation of Dental Resin-Based Pit and Fissure Sealant
J Dent Hyg Sci 2018;18:367-73
Published online December 31, 2018;  https://doi.org/10.17135/jdhs.2018.18.6.367
© 2018 Korean Society of Dental Hygiene Science.

Hee-Hong Min, Hyun-Jin Kim1, and Hye-Jin Lee2,†

Department of Dental Hygiene, Daejeon Health Institute of Technology, Daejeon 34504,
1Institute for Biomaterials Research & Development, Kyungpook National University, Daegu 41566,
2Department of Dental Hygiene, Howon University, Gunsan 54058, Korea
Correspondence to: Hye-Jin Lee
Department of Dental Hygiene, Howon University, 64 Howondae 3-gil, Impi-myeon, Gunsan 54058, Korea
Tel: +82-63-670-7775, Fax: +82-63-670-7779, E-mail: qorrha12@daum.net
ORCID: https://orcid.org/0000-0003-3923-0447
Received October 23, 2018; Revised November 26, 2018; Accepted November 28, 2018.
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
The consumption of beverages among children is rising. The purpose of this study was to examine the effect of kid’s drink on dental resin-based pit and fissure sealant. Pororo, I-kicker, Sunkist kids were included in the experimental groups, and Samdasu was included in the control group. A conventional dental sealant material (ClinproTMSealant) was selected for this study. Resin specimens (8 mm in diameter and 1 mm in thickness) were prepared according to manufacturers’ instructions and the initial roughness (Ra) was then measured. The pH of all the four groups was measured using a pH meter. The specimens were individually immersed in 5 ml of the experimental solutions and stored at 37oC for 72 hours. Following this, the surface roughness of the resin specimens was measured by Surftest. The concentration of residual monomer released was determined by high performance liquid chromatography (HPLC). The surface morphology of the resin specimen was evaluated before and after storage by scanning electron microscopy (SEM). Data were statistically analyzed using Kruskal-Wallis and Duncan’s test. The results showed that all the children’s beverages examined in this study contained citric acid. The pH of I-kicker was the lowest (3.03±0.01), followed by that of Sunkist kids (3.26±0.02) and Pororo (3.47±0.02). We observed an increase in the surface roughness of resin specimens after 72 h of immersion in all the beverages tested (p<0.05). There was matrix degradation after immersion, visualized on SEM image, in all the beverage groups. Bisphenol-A-glycidyl methacrylate was not detected after 72 hours, but triethylene glycol dimethacrylate levels were increased in all the beverages tested during the 72 hours by HPLC. These results suggest that intake of beverages containing acid can cause degradation of the resin-based pit and fissure sealants in children.
Keywords : Chromatography, Pit and fissure sealants, Triethylene glycol dimethacrylate


December 2018, 18 (6)
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