Microleakage of resilon by methacrylate-based sealer and self-adhesive resin cement

Article information

Restor Dent Endod. 2008;33(3):204-212

Publication date (electronic) : 2008 May 31

doi : https://doi.org/10.5395/JKACD.2008.33.3.204

Sun-Young Ham ¹, Jin-Woo Kim ¹, Hye-Jin Shin ², Kyung-Mo Cho ¹, Se-Hee Park ¹

¹Department of Conservative Dentistry, College of Dentistry, Kangnung National University, Korea.

²Department of Conservative Dentistry, College of Medicine, A-jou University, Korea.

Corresponding Author: Se-Hee Park. Department of Conservative Dentistry, College of Dentistry, Kangnung National University, 123, Jibyeon-dong, Gangneung-si, Gangwon-do 210-320, Korea. Tel: 82-33-640-2760, drendo@kangnung.ac.kr

Received 2008 April 01; Revised 2008 April 24; Accepted 2008 April 25.

Abstract

The purpose of this study was to compare the apical microleakage in root canal filled with Resilon by methacrylate-based root canal sealer or 2 different self-adhesive resin cements. Seventy single-rooted extracted human teeth were sectioned at the CEJ perpendicular to the long axis of the roots with diamond disk. Canal preparation was performed with crown-down technique using Profile NiTi rotary instruments and GG drill. Each canal was prepared to ISO size 40, .04 taper and 1 mm short from the apex. The prepared roots were randomly divided into 4 experimental groups of 15 roots each and 5 roots each for positive and negative control group. The root canals were filled by lateral condensation as follows. Group 1: Guttapercha with AH-26, Group 2: Resilon with RealSeal primer & sealer, Group 3: Resilon with Rely-X Unicem, Group 4: Resilon with BisCem. After stored in 37℃, 100% humidity chamber for 7 days, the roots were coated with 2 layers of nail varnish except apical 3 mm. The roots were then immersed in 1% methylene blue dye for 7 days. Apical microleakage was measured by a maximum length of linear dye penetration after roots were separated longitudinally. One way ANOVA and Scheffe's post-hoc test were performed for statistical analysis. Group 1 showed the least apical leakage and there was no statistical significance between Group 2, 3, 4. According to the results, the self adhesive resin cement is possible to use as sealer instead of primer & sealant when root canal filled by Resilon.

Keywords: Microleakage; Resilon; Methacrylate-based root canal sealer; Self-adhesive resin cement

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