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首页> 外文期刊>Dental Materials Journal >Microtensile bond strengths of adhesively bonded polymer-based CAD/CAM materials to dentin
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Microtensile bond strengths of adhesively bonded polymer-based CAD/CAM materials to dentin

机译：粘合聚合物基CAD / CAM材料与牙本质的微拉伸强度

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This in vitro study aimed to evaluate the effect of two different polymer-based CAD/CAM materials; resin-nano ceramic (Lava Ultimate ) and composite (CERASMART ), their different surface pre-treatments, and use of different resin cements on the μTBS of adhesively bonded CAD/CAM onlays to dentin. CAD/CAM materials were cut into slabs and divided into five groups according to the surface pre-treatments applied: Silane Primer, OptiBond XTR adhesive, Silane Primer+OptiBond XTR adhesive, Single Bond Universal (SBU), and RelyX Ceramic Primer+SBU. The LVU and CS specimens were bonded to the mid-coronal dentin of 50 non-carious human molars using NX3 resin cement with OptiBond XTR or RelyX Ultimate with SBU. μTBS was evaluated after 5,000 thermocycling and analysed with three-way-ANOVA and post-hoc Tukey’s tests (p <0.05). The μTBS was significantly influenced by the type of CAD/CAM material (p <0.0001) surface pre-treatments (p <0.05) and resin cements (p <0.05). Regardless of the pre-treatments and resin cements, bonding of the composite CAD/CAM material to dentin was higher than the resin nano-ceramic material.
机译：这项体外研究旨在评估两种不同的基于聚合物的CAD / CAM材料的效果;树脂-纳米陶瓷（Lava Ultimate）和复合材料（CERASMART），它们的不同表面预处理以及在粘结到CAD / CAM牙本质上的μTBS上使用不同的树脂胶粘剂。根据应用的表面预处理将CAD / CAM材料切成平板，分为五组：硅烷底漆，OptiBond XTR粘合剂，硅烷底漆+ OptiBond XTR粘合剂，单键通用（SBU）和RelyX陶瓷底漆+ SBU。使用带有OptiBond XTR的NX3树脂胶浆或带有SBU的RelyX Ultimate，将LVU和CS标本粘合到50个非龋齿的人类臼齿的冠状中间牙本质上。在进行5,000次热循环后，对μTBS进行了评估，并通过三向ANOVA和事后Tukey测试进行了分析（ p <0.05）。 μTBS受CAD / CAM材料（> 0.0001）表面预处理（> 0.05）和树脂胶粘剂（> 0.05）的显着影响。无论采用何种预处理和树脂胶粘剂，CAD / CAM复合材料与牙本质的结合均高于树脂纳米陶瓷材料。

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