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KMID : 0358920060330040653
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Journal of the Korean Academy of Pedodontics
2006 Volume.33 No. 4 p.653 ~ p.660
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REMINERALIZATION EFFECT OF FUJI VII GLASS IONOMER CEMENT
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Kim Young-Jin
Lee Ju-Hyun
Seo Hyun-Woo
Park Ho-Won
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Abstract
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Fuji VII is a glass-ionomer cement specially targeted for early protection in erupting first and second molars. Properties of Fuji VII such as very high level of fluoride release, low viscosity and no need to preliminarily etch the substrate would be useful to erupting molars with primary pit and fissure caries or hypoplastic area for preventive goal or remineralization. The purpose of this study were to evaluate remineralization of Fuji VII glass ionomer cement and to compare with one of other restorative materials such as conventional glass ionomer cement, resin-modified glass ionomer cement, compomer and composite resin. Forty-two extracted human molars were used for this study. All teeth were immersed in demineralizing solution for 48 hours after Class V cavity preparation was made on sound proximal surface. The teeth were randomly divided into six groups and restored with Fuji VII, Fuji II, Fuji II LC improved, F2000, Filtek {TM} Z250 and control group was unrestored. The middle area with 130{pm}20{mu}m thickness was separated from specimen using microtome and demineralized area was photographed under polarized microscope. Separated area was relocated to specimen and stored in artificial saliva, After four weeks, changes of demineralized area were observed and compared to them restorated immediately.
The results from the this study can be summarized as follows ;
1. Fuji VII, Fuji II, Fuji II LC improved have more prominent remineralization effect than F2000, Filtek {TM} Z250, control group.
2. No significant differences in remineralization effect are seen between Fuji VII and Fuji II, Fuji II LC improved.
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KEYWORD
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Glass ionomer cement, Demineralization, Remineralization, Polarized microscope
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