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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한치과보철학회 The Journal of Advanced of Prosthodontics The Journal of Advanced of Prosthodontics 제3권 제3호
- 발행연도
- 2011.1
- 수록면
- 119 - 125 (7page)
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초록· 키워드
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PURPOSE. The aim of this study was to evaluate the influence of resin cement thickness on the microtensile bond strength between zirconium-oxide ceramic and resin cement. MATERIALS AND METHODS. Thirty-two freshly extracted molars were transversely sectioned at the deep dentin level and bonded to air-abraded zirconium oxide ceramic disks. The specimens were divided into 8 groups based on the experimental conditions (cement type: Rely X UniCem or Panavia F 2.0, cement thickness: 40 or 160 μm, storage: thermocycled or not). They were cut into microbeams and stored in 37℃ distilled water for 24 h. Microbeams of non-thermocycled specimens were submitted to a microtensile test, whereas those of thermocycled groups were thermally cycled for 18,000 times immediately before the microtensile test. Three-way ANOVA and Sheffe’s post hoc tests were used for statistical analysis (α=95%). RESULTS. All failures occurred at the resin-zirconia interface. Thermocycled groups showed lower microtensile bond strength than non-thermocycled groups (P<.001). Differences in cement thickness did not influence the resin-zirconia microtensile bond strength given the same resin cement or storage conditions (P>.05). The number of adhesive failures increased after thermocycling in all experimental conditions. No cohesive failure was observed in any experimental group. CONCLUSION. When resin cements of adhesive monomers are applied over air-abraded zirconia restorations, the degree of fit does not influence the resin-zirconia microtensile bond strength.
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참고문헌 (26)
참고문헌 신청
Feilzer AJ / 1987 / Setting stress in composite resin in relation to configuration of the restoration / J Dent Res 66:1636~1639
Aboushelib MN / 2007 / Selective infiltration-etching technique for a strong and durable bond of resin cements to zirconia-based materials / J Prosthet Dent 98 : 379 ~ 388
Al-Dohan HM / 2004 / Shear strength of core-veneer interface in bi-layered ceramics / J Prosthet Dent 91 : 349 ~ 355
Amaral R / 2008 / Effect of conditioning methods on the microtensile bond strength of phosphate monomer-based cement on zirconia ceramic in dry and aged conditions / J Biome
Burke FJ / 2002 / Are adhesive technologies needed to support ceramics? An assessment of the current evidence / J Adhes Dent 4 : 7 ~ 22
Aboushelib MN / 2007 / Selective infiltration-etching technique for a strong and durable bond of resin cements to zirconia-based materials / J Prosthet Dent 98 : 379 ~ 388
Al-Dohan HM / 2004 / Shear strength of core-veneer interface in bi-layered ceramics / J Prosthet Dent 91 : 349 ~ 355
Amaral R / 2008 / Effect of conditioning methods on the microtensile bond strength of phosphate monomer-based cement on zirconia ceramic in dry and aged conditions / J Biome
Burke FJ / 2002 / Are adhesive technologies needed to support ceramics? An assessment of the current evidence / J Adhes Dent 4 : 7 ~ 22
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