Influence of surface treatment on bonding of resin luting cement to CAD/CAM composite blocks

被引：7
|
作者：
Takahashi, Nao [1 ]
Yabuki, Chiaki [1 ]
Kurokawa, Hiroyasu [1 ]
Takamizawa, Toshiki [1 ]
Kasahara, Yuta [1 ]
Saegusa, Makoto [1 ]
Suzuki, Miho [1 ]
Miyazaki, Masashi [1 ]
机构：
[1] Nihon Univ, Dept Operat Dent, Sch Dent, Chiyoda Ku, 1-8-13 Kanda Surugadai, Tokyo 1018310, Japan
来源：
DENTAL MATERIALS JOURNAL | 2020年 / 39卷 / 05期
基金：
日本学术振兴会;
关键词：
CAD/CAM composite block; Resin cement; Surface treatment; Bond strength; SELF-ADHESIVE; FREE-ENERGY; STRENGTH; SILANE; POLYMERS; AGENTS; TEETH;
D O I：
10.4012/dmj.2019-247
中图分类号：
R78 [口腔科学];
学科分类号：
1003 ;
摘要：
The aim of this study was to determine the influence of different surface treatments of CAD/CAM composite blocks on bonding effectiveness of resin cements, based on the shear bond strength test and the surface science examination. Specimens were fabricated from two types of CAD/CAM composite blocks (Cerasmart and VITA Enamic), and the specimen surfaces were alumina sandblasted. Specimen surfaces were treated with i) silane, primer, and silane+primer, then two types of cements (Block HC Cem and Super Bond) were bonded. After 24 h storage, bond strengths were measured. Surface free energy measurements were performed of the treated CAD/CAM composite blocks surfaces. The groups and showed significantly higher bond strengths than the group i), apart from VITA Enamic with Block HC Cem. Although the total surface free energy showed different trends in different surface treatments, a similar trend was found in both CAD/CAM composite blocks.
引用
收藏
页码：834 / 843
页数：10
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