지혈제의 종류에 따른 레진 강화형 글라스아이오노머 시멘트 결합력의 차이 = Difference in Bonding Strength of RMGIC according to Type of Hemostatic Agent in Primary Tooth

국문 초록 (Abstract)

이 연구의 목적은 유치의 상아질면에서 염화알루미늄 지혈제와 황화철 지혈제의 적용이 레진강화형 글라스아이오노머(RMGIC)의 결합에 미치는 영향을 전단결합강도를 통하여 평가하는 것이다. 20개의 우식이 없는 유구치가 이용되었으며 상아질이 노출되도록 시편을 제작하여 지혈제의 종류에 따라 3개의 군으로 분류하였다. I군은 치면에 25% polyacrylic acid(PAA)를 10초간 사용한 군, II군은 21.3% 염화알루미늄 지혈제를 1분간 사용한 뒤 PAA를 10초간 적용한 군, III군은 20% 황화철 지혈제를 1분간 사용한 뒤 PAA를 10초간 적용한 군으로 설정하였다. 각 군당 10개의 시편에 RMGIC를 중합하여 전단결합강도를 측정하였다. 결합강도는 I군이 10.07 ± 1.83 MPa, 2군에서 7.62 ± 0.78 MPa, 3군에서 5.23 ± 0.78 MPa였다. 모든 군의 결합강도는 유의한 차이를 보였다. 이 연구를 통해 염화알루미늄 지혈제, 황화철 지혈제 모두 상아질에서 RMGIC의 전단결합강도를 감소시키며 황화철 지혈제가 염화알루미늄 지혈제보다 RMGIC의 전단 결합강도를 더 많이 감소시키는 것을 알 수 있었다.

다국어 초록 (Multilingual Abstract)

The purpose of this study was to compare the effect of the hemostatic agent containing aluminum chloride with hemostatic agent containing ferric sulfate on the shear bond strength of resin-modified glass ionomer cement(RMGIC) to dentin in primary tooth. Twenty extracted non-carious human primary teeth were collected in this study. The specimens were cut to expose dentin and polished. The specimens were randomly seperated into 3 groups for treatment; group I: polyacrylic acid(PAA), RMGIC; group II: aluminum chloride, PAA, RMGIC; group III: ferric sulfate, PAA, RMGIC Ten specimens from each group were subjected to shear bond strength test. The mean shear bond strength of each group was as follows: 10.07 ± 1.83 MPa in Group I, 7.62 ± 0.78 MPA in group II, 5.23 ± 0.78 MPa in group III. There were significant differences among all groups(p < 0.001). In conclusion, both aluminum chloride hemostatic agent and ferric sulfate hemostatic agent decreased the shear bond strength of RMGIC to dentin. And ferric sulfate hemostatic agent decreased the shear bond strength of RMGIC more than the aluminium chloride hemostatic agent.

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