Effect of various surface preparations on bond strength of a gingiva-colored indirect composite to zirconia framework for implant-supported prostheses.
作者： Futoshi KOMINE , Mai KOIZUKA , Ryosuke FUSHIKI , Taro IWASAKI , Kei KUBOCHI
DOI: 10.4012/DMJ.2014-360
关键词:
摘要: To evaluate the effects of various surface preparations on shear bond strength a gingiva-colored indirect composite material and zirconia framework. Zirconia disks were prepared with one nine treatments: hydrofluoric acid etching (HF), heating at 1,000°C for 10 min (HT), wet-grinding 600- 1500-grit SiC paper (SiC 600 1500), alumina-blasting 0.1, 0.2, 0.4 0.6 MPa (AB 0.4, 0.6), no treatment (NT). An was bonded to zirconia. Shear strengths measured. Bond significantly higher in AB groups than other 0 20,000 thermocycles. Post-thermocycling lower NT, HF, HT groups. Alumina-blasting 0.2 or yielded sufficient durable between frameworks. Hydrofluoric heat did not achieve strengths.
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