Stress analysis of a light-cured composite resin due to polymerization shrinkage

被引：0

作者：

Arakawa, Kazuo ^{[1
]}

Yoon, Sane-Jae ^{[1
]}

Nishimura, Mariko ^{[1
]}

机构：

[1] Kyushu Univ., Research Institute for Applied Mechanics, Kasuga, Fukuoka, 816-8580

来源：

Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A | 2013年 / 79卷 / 805期

关键词：

Analytical model; Artificial cavities; Cavity depth; Cavity wall; Experimental data; Irradiation time; Light-cured composite resin; Polymerization shrinkage; Shrinkage stress;

D O I：

10.1299/kikaia.79.1406

中图分类号：

学科分类号：

摘要：

This study examined the shrinkage stress of a light-cured composite resin on cavity wall experimentally and analytically. The shrinkage force was measured using artificial cylindrical cavities fabricated in two stainless steel plates and a load-cell attached to the steel plate. An analytical model was introduced to evaluate the stress distribution in the cavities and to compare the shrinkage force experimentally determined, and following results were obtained: (1) The shrinkage force was dependent on both the cavity depth and irradiation time of the resin. (2) The analytical model can predict all the important features of the shrinkage force. (3) The stress on the cavity wall was dependent on the irradiation time. © 2013 The Japan Society of Mechanical Engineers.

引用

页码：1406 / 1410

页数：4

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