Shrinkage force measurement of light cure composite resin

Kazuo Arakawa, Toshio Mada

Research output: Contribution to journalArticle

Abstract

The polymerization shrinkage of a light cure composite resin was studied using artificial cylindrical cavities fabricated in stainless steel plates. The shrinkage force was measured using a load-cell inserted as the bottom of the cavity from the back side of the plate. The resin was filled into the cavities after prepared with a bonding agent and then irradiated with a visible-light curing unit. The shrinkage force was measured as functions of time and the depth of the cavity. The cavities with constrained surfaces were also employed to study the effect of boundary condition, and the following results were obtained. The force increased greatly due to the irradiation and slightly increased with time after the irradiation. The force increased gradually with the cavity depth, and exhibited the maximum value and then decreased gradually. The cavities with constrained surfaces yielded much larger forces than the ones with the free surface condition for the same depths.

Original languageEnglish
Pages (from-to)1663-1667
Number of pages5
JournalNihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
Volume75
Issue number760
DOIs
Publication statusPublished - Jan 1 2009

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Composite Resins
Force measurement
Resins
Composite materials
Irradiation
Stainless Steel
Curing
Stainless steel
Polymerization
Boundary conditions

All Science Journal Classification (ASJC) codes

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

Cite this

Shrinkage force measurement of light cure composite resin. / Arakawa, Kazuo; Mada, Toshio.

In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A, Vol. 75, No. 760, 01.01.2009, p. 1663-1667.

Research output: Contribution to journalArticle

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