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KMID : 1004520100260030253
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Journal of Dental Rehabilitation and Applied Science
2010 Volume.26 No. 3 p.253 ~ p.264
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Effect of Conditioning Methods on the Shear Bond Strength of Veneering composite on Zirconia Ceramic
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Nam Hyun-Seok
Song Kwang-Yeob
Ahn Seung-Geun
Park Ju-Mi
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Abstract
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The purpose of this study is to know whether Yttrium-stabilized-tetragonal -zirconia-polycrystal(Y-TZP ceramic) gets
enough shear bond strength for clinical uses by applying veneering composite resin through surface treatment on it and
finally to compare it with the case of applying veneering porcelain. LavaTM zirconia frameworks(3M ESPE, Seefeld,
Germany) were prepared. Group P was manufactured with LavaTM Ceram(3M ESPE, Seefeld, Germany) in
cylindrical shape which has 4mm diameter, 5mm height. Group ZSR disposed sandblasting and applied silane,
bonding agent and after that indirect composite resin was applied. Group ZRR got tribochemical coating by
RocatecTM system(3M ESPE. Seefeld, Germany) and treated silane. Finally Group ZPR took the same treatment
and applied LavaTM Ceram in the size of 0.3-0.5mm height. After burning out, sandblasting, HF and silane was
applied. And then, indirect composite resin was applied. 1000 cycle thermocycling was performed in 5-55℃ and
shear bond strength was measured. There were no significant differences between combining veneering porcelain
to Y-TZP ceramic group and combining veneering resin to Y-TZP ceramic group in the aspect of shear bond
strength (p>.05).
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KEYWORD
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Y-TZP ceramic, zirconia, shear bond strength, veneering composite resin
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