Journal of the korean academy of Pediatric Dentistry (대한소아치과학회지)

Korean Academy of Pediatric Dentistry (대한소아치과학회)
권호 표지

SHEAR BOND STRENGTH OF GIOMER AND SELF-ETCHING PRIMER ON THE DENTIN

Giomer와 자가 산부식 접착제의 상아질에 대한 전단 결합강도

  • Yoon, Eun-Young (Department of Pediatric Dentistry, Collage of Dentistry, Chosun University) ;
  • Lee, Nan-Young (Department of Pediatric Dentistry, Collage of Dentistry, Chosun University) ;
  • Lee, Sang-Ho (Department of Pediatric Dentistry, Collage of Dentistry, Chosun University)
  • 윤은영 (조선대학교 치과대학 소아치과학교실) ;
  • 이난영 (조선대학교 치과대학 소아치과학교실) ;
  • 이상호 (조선대학교 치과대학 소아치과학교실)
  • Received : 2010.08.03
  • Accepted : 2010.11.12
  • Published : 2010.11.30
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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.

Giomer는 글라스 아이오노머 시멘트의 불소 방출 능력과 복합레진의 물성을 동시에 가지고 있는 새로운 형태의 재료로서 소개되었다. 이에 본 연구에서는 giomer의 전단 결합강도를 기존의 심미 수복재료인 복합 레진과 컴포머와 비교하여 심미 수복재료로서의 임상적 효용성을 평가하고자 한다. 소의 전치를 자가중합 교정용 레진을 이용하여 아크릴 튜브에 매몰시킨 후, 상아질을 노출시키기 위해 실리콘 페이퍼를 이용하여 표면을 연마하였다. 샘플을 무작위로 I군(Giomer), II군(복합 레진), III군(컴포머), IV군(Giomer와 5세대 단일병 접착제)으로 분류하였다. 만능 시험기를 이용하여 각 샘플의 전단 결합강도를 측정하였다. One-way ANOVA와 Scheffe test를 이용하여 통계분석을 시행하였다. I군은 III군에 비해 통계학적으로 유의하게 높은 전단 결합강도를 나타냈다(p<0.05). I군과 II군의 전단 결합강도는 통계학적으로 유의한 차이가 없었다(p>0.05). IV군는 I군에 비해 낮은 결합강도를 보였지만, 통계학적으로 유의한 차이는 없었다(p>0.05). 실험의 결과로 보아 불소 방출의 특성을 지닌 giomer의 결합강도가 컴포머에 비해 우수하고, 복합 레진과 유사한 것으로 나타남으로써 소아 환자의 심미수복재료로서의 임상적 효용성이 있다고 사료된다.

Keywords

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