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Effect of loading weight on bond durability of composite-type resin cement under cyclic impact test (part 2). Loading with light weight of 100-120 g.


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タイトル: Effect of loading weight on bond durability of composite-type resin cement under cyclic impact test (part 2). Loading with light weight of 100-120 g.
著者: Ohsawa, Masahiro / Fujiwara, Mamoru / Hayashi, Yoshihiko
発行日: 2009年 3月
出版者: 日本歯科理工学会
引用: Dental Materials Journal, 28(2), pp. 194-196; 2009
抄録: The bond durability of composite-type resin cement was evaluated by means of cyclic impact tests using three different loads. In terms of experimental setup, a casting alloy, 12% Au-Pd-Ag, was used as the adherend and bonded to a cast block using a composite-type cement (Bistite II). A shear load--using plungers of three different weights at 100, 110, and 120 g--was dropped from a 3-mm height onto a small piece of the casting alloy until debonding. The cycle numbers that caused debonding were 1756 +/- 680 x 10(4) times for 100 g, 1403 +/- 515 x 10(4) times for 110 g, and 420 +/- 200 x 10(4) times for 120 g, respectively. Therefore, the group loaded with 120 g showed a significantly lower value as compared to the other two groups. On the fracture mode of the cement, it was a bulk fracture regardless of the loading weight employed in this study--the same result obtained in a previous study where heavier weights were employed.
キーワード: Adhesive resin cement / Bond durability / Cyclic impact load
URI: http://hdl.handle.net/10069/21997
ISSN: 02874547
PubMed ID: 19496399
権利: 日本歯科理工学会
資料タイプ: Journal Article
原稿種類: publisher
出現コレクション:040 学術雑誌論文

引用URI : http://hdl.handle.net/10069/21997

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