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KMID : 0362419940320010001
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Journal of Korean Academy of Prosthodontics
1994 Volume.32 No. 1 p.1 ~ p.8
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The effect of canal filling sealer to resin cement in post cementation
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Lee Cheong-Hee
Jo Kwang-Hun
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Abstract
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The purpose of this study was to evaluate the effect of the canal filling sealer to resin cement When posts were cemented in the endodontically treated teeth, 86 incisor were used. The coronal portion of the teeth were removed at the cemento-enamel junction, every tooth was done treatment of canal. And the teeth was divided was into 12 groups. Ready made stainless steel Par-post(PD-K-3) was cemented with Z.P.C. in subgroup a,and cemented with All-Bond & composite resin cement in subgroup b to depth 7mm. After 5 days at cementation of post, teeth with cemented posts were mounted on a retention jig and the failure loads of the specimens were measured by an Instron universal Testing Machine. @ES The results were as follows: @EN 1. The results of failure loads were 15.5±7.1kg in group Ib, 21.6 ±5.4kg in group IIb and 20.1±18.1kg in group IIIb, and there was no statistically significant difference between each group(p>0.05). 2. The results of failure loads were 19.0±6.7kg in group Ivb, 17.3±6.5kg in group V b.and 18.9±7.9kg in group VIb and there was no significant difference between each other(p>0.05). 3. In same condition, the failure load of subgroup a was largely higher the subgroup b. But there was no significant difference between each other(p>0.05).
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