Shrinkage characteristics of light-cured composite resin

Kazuo Arakawa

Research output: Contribution to journalArticle

Abstract

Polymerization shrinkage of a light-cured composite resin was studied using artificial cylindrical cavities. To examine the property change as functions of cavity depth and irradiation time, we performed two experiments; micro-Vickers hardness and tensile tests. Then we determined the hardness H v and modulus E of the resin specimens, and the following results were obtained. The values of H v and E exhibited the maximum near the irradiation surface and then decreased gradually with the depth and the maximum values increased as the irradiation time increased. To study the property change, we introduced an analytical model and suggested that it can predict all the important features of the property change as functions of the depth and irradiation time.

Original languageEnglish
Pages (from-to)1377-1381
Number of pages5
JournalNihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
Volume78
Issue number793
DOIs
Publication statusPublished - Oct 17 2012

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Composite Resins
Resins
Irradiation
Composite materials
Vickers hardness
Analytical models
Hardness
Polymerization
Experiments

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Shrinkage characteristics of light-cured composite resin. / Arakawa, Kazuo.

In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A, Vol. 78, No. 793, 17.10.2012, p. 1377-1381.

Research output: Contribution to journalArticle

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