Comparison of marginal microleakage between low and high flowable resins in class V cavity

Sang-Bae Bae; Young-Gon Cho; Myeong-Seon Lee

doi:10.5395/JKACD.2009.34.6.477

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Bae, Cho, and Lee: Comparison of marginal microleakage between low and high flowable resins in class V cavity

Original Article

Journal of Korean Academy of Conservative Dentistry

Journal of Korean Academy of Conservative Dentistry 2009; 34(6): 477-483.

Published online: 30 November 2009

DOI: https://doi.org/10.5395/JKACD.2009.34.6.477

Comparison of marginal microleakage between low and high flowable resins in class V cavity

Sang-Bae Bae¹, Young-Gon Cho¹, Myeong-Seon Lee²

¹Department of Conservative Dentistry, School of Dentistry, Chosun University, Korea.

²Department of Dental Hygiene, Seokang University, Korea.

Corresponding Author: Young-Gon Cho. Department of Conservative Dentistry, Chosin University, 421 Seosuk-dong, Dong-gu, Gwangju 501-825, Korea. Tel: 82-62-220-3840, Fax: 82-62-232-9064, ygcho@chosun.ac.kr

Received 17 June 2009 Revised 11 September 2009 Accepted 18 October 2009

(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/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The purpose of this study was to compare the microleakage of low and high viscosity flowable resins in class V cavities applied with 1-step adhesives.

Forty class V cavities were prepared on the cervices of buccal and lingual surfaces of extracted molar teeth and divided into four groups (n=8). Cavities were restored with AQ Bond Plus/Metafil Flo α, G-Bond/UniFil LoFlo Plus (Low flow groups), AQ Bond Plus/Metafil Flo and G-Bond/UniFil Flow (High flow group), respectively.

Specimens were immersed in a 2% methylene blue solution for 24 hours, and bisected longitudinally. They were observed microleakages at the enamel and dentinal margins.

In conclusion, the low viscosity flowable resins showed lower marginal microleakage than do the high viscosity flowable resins in class V cavities.

Keywords: Microleakage, Low and high viscosity flowable resin, Class V cavities, 1-step adhesives, Enamel margin, Dentinal margin

Figures and Tables

Table 1

Materials and group classification

Table 2

Distribution of microleakage scores and mean rank at enamel margins

Different superscripts are statistically significant difference at p<0.05 (Mann-Whitney test).

Table 3

Distribution of microleakage scores and mean rank at dentinal margins

Different superscripts are statistically significant difference at p<0.05 (Mann-Whitney test).

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