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J Korean Acad Pediatr Dent. 2010;37(4): 422-428.
SHEAR BOND STRENGTH OF GIOMER AND SELF-ETCHING PRIMER ON THE DENTIN
Eun-Young Yoon, Nan-Young Lee, Sang-Ho Lee
Department of Pediatric Dentistry, Collage of Dentistry, Chosun University
Corresponding Author: Sang-Ho Lee ,Tel: 062-220-3860, Email: shclee@chosun.ac.kr
Received: August 3, 2010;  Accepted: November 12, 2010.
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ABSTRACT
Giomer is fluoride-releasing, resin-based dental materials that comprise PRG(pre-reacted glass ionomer) filler. The purpose of this study was to evaluate the shear bond strength of Giomer using self-etching primer systems to bovine dentin. Bovine incisors were mounted in self-curing orthodontic resin and the facial surfaces were wet ground on SIC paper to expose the dentin. Total 100 samples were made and divided randomly into 4 groups, Giomer group(I), Composite resin group(II) and Compomer group(III), Giomer and single bottle adhesive group(IV). The shear bond strengths of 25 samples per each group were measured using universal testing machine. And data were analyzed statistically with One-way ANOVA and Scheffe test. Giomer group(I) showed the significantly higher bond strength than Compomer group(III)(p<0.05). There was no significant difference between Giomer group(I) and Composite resin group(II)(p>0.05). And there is no significant difference between gourp(I) and group(IV). Based on the results of present study, the use of Giomer as an esthetic restorative material for primary teeth might be justified. It is considered that more study about the fluoride releasing ability is needed to evaluate the anticariogenic effect of giomer.
Keywords: Giomer | Shear bond strength | Self-etching primer | Dentin
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