J Korean Acad Conserv Dent.  2009 Nov;34(6):477-483. 10.5395/JKACD.2009.34.6.477.

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

Affiliations
  • 1Department of Conservative Dentistry, School of Dentistry, Chosun University, Korea. ygcho@chosun.ac.kr
  • 2Department of Dental Hygiene, Seokang University, Korea.

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 alpha, 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.

Keyword

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