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KMID : 0362320090340060477
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Journal of Korean Academy of Operative Dentistry
2009 Volume.34 No. 6 p.477 ~ p.483
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COMPARISON OF MARGINAL MICROLEAKAGE BETWEEN LOW AND HIGH FLOWABLE RESINS IN CLASS V CAVITY
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Bae Sang-Bae
Cho Young-Gon
Lee Myeong-Seon
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Abstract
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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, GBond/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. [J Kor Acad Cons Dent 34(5):477-483, 2009]
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KEYWORD
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Microleakage, Low and high viscosity flowable resin, Class V cavities, 1-step adhesives, Enamel margin, Dentinal margin
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