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J Korean Acad Pediatr Dent. 2001;28(2): 228-237.
A STUDY ON THE EFFECT OF DENTIN ADHESIVE TO FLUORIDE RELEASE OF COMPOMER
Yeo-Sang Yoon, Jong-Soo Kim, Soon-Won Kwon, Yong-Kee Kim
Department of Pediatric Dentistry, College of Dentistry, Dankook Univeristy
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ABSTRACT
It is well known that glass-ionomer cement and compomer can release fluoride which can inhibit the progression of dental caries. The purposes of this study were to evaluate whether the fluoride from fluoride-containing filling materials can penetrate the dentin bonding adhesive and the dentin bonding adhesive can increase the bond strength of resin-modified glass ionomer. The amount of fluoride release from resin-modified glass ionomer and compomer was measured during 28 days of period and statistically analyzed by t-test. The bond strength of each material with/without dentin bonding adhesive was measured and also statistically analyzed by t-test. The distribution of fluoride from each material into the tooth was explored by electron probe microanalysis system(EPMA). The experimental teeth used were second primary molars about to exfoliate. The amount of fluoride release from each material was diminished by dentin bonding adhesive during 28 days(p<0.05) and the bond strength was not increased by dentin adhesive in resin-modified glass ionomer. The bond strength of group VI was not detectable. The distribution of fluoride from each material into teeth was according to dentino-enamel junction and dispersed into pulp from pulpal floor. The widest distribution was shown in resin-modified glass ionomer cement filled without the application of dentin bonding adhesive.
Keywords: Electron Probe Microanalysis | Dentin bonding adhesive | Fluoride release | Compomer | Glass ionomer
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