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J Korean Acad Pediatr Dent. 2006;33(2): 281-289.
THE EFFECT OF 1.23% APF GEL ON THE ESTHETIC RESTORATIVE MATERIALS
최원혁, 김은정, 김현정, 김영진, 남순현
경북대학교 치과대학 소아치과학교실
Corresponding Author: 남순현 ,
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ABSTRACT
Topical fluoride application for children is a widely performed procedure in the field of Pediatric Dentistry for its dental caries prevention effects However, it is recently recognized as having some unwanted effects on several esthetic restorative materials, the author immersed glass ionomer cement, compomer and composite resin specimens in APF gel and measured the surface roughness and also, examined the specimens under the scanning eletron microscope. The followings are the results: 1. In the specimens of glass ionomer cement and compomer, APF gel 4 minute immersion group and pH cycling group show statistically significant increased surface roughness than artificial saliva immersion group (p<0.01). 2. There was no statistically significant surface roughness for composite resin in all group (p>0.05). 3. When the specimens were examined under scanning electron microscope, the surface change were in the order of glass ionomer cement, compomer, composite resin and also in the order of pH cycling group, APF gel 4 minutes immersion group, artificial saliva immersion group.
Keywords: Topical fluoride | Esthetic material | Surface roughness
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