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首页> 外文期刊>Dental Materials Journal >Effect of immediate dentin sealing applications on bonding of CAD/CAM ceramic onlay restoration
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Effect of immediate dentin sealing applications on bonding of CAD/CAM ceramic onlay restoration

机译：立即使用牙本质密封剂对CAD / CAM陶瓷镶嵌修复体粘结的影响

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摘要

The effects of immediate dentin sealing (IDS) applications on the bonding of computer-aided design/computer-aided manufacturing (CAD/CAM) ceramic onlay restorations after cyclic loading were examined. Standardized mesial-distal-occlusal-palatal cavities in 32 extracted human molars were prepared. The cavities were divided into four groups: those receiving thin-layered (T), slope-shaped (S), and base-shaped (B) sealing, and the non-sealing group (N) as a control. The intra-cavity dentin walls of the T, S, and B groups were sealed with an all-in-one adhesive and a flowable composite. All cavities were scanned; hence, CAD/CAM onlays were fabricated using ceramic blocks and bonded with a resin cement system. Cyclic loading was applied and the microtensile bond strength (μ-TBS) was measured. It was found that IDS application improved not only the μ-TBS, but also the bonding reliability and durability of the CAD/CAM restoration. In particular, the S restoration exhibited the highest-performance as regards both robust bond strength and stable bonding.
机译：考察了即时牙本质密封（IDS）应用对循环加载后计算机辅助设计/计算机辅助制造（CAD / CAM）陶瓷覆盖修复体粘结的影响。制备了32个提取的人类臼齿中的标准的远中牙合-pal骨腔。空腔分为四组：分别接受薄层（T），倾斜形（S）和底部形（B）密封的空腔，以及非密封（N）组作为对照组。 T，S和B组的腔内牙本质壁用多合一粘合剂和可流动的复合材料密封。扫描所有型腔;因此，CAD / CAM覆盖物是使用陶瓷砖制造的，并与树脂胶泥体系粘合。施加循环载荷并测量微拉伸粘合强度（μ-TBS）。发现IDS应用不仅改善了μ-TBS，而且还改善了CAD / CAM修复体的粘合可靠性和耐用性。特别地，就牢固的粘合强度和稳定的粘合而言，S修复体表现出最高的性能。

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