Polymerization and radical stability in the light-cured dental composite resins

Yukio Fujimori*, Takahiko Kaku, Naoki Yoshioka, Hiroyuki Nishide, Eishun Tsuchida

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


The polymerization behavior of acrylic monomers in the light-cured composite resins and the stability of residual radicals were investigated. The monomer conversion and radical concentration were determined by ESR and IR spectroscopies under various conditions. Slow polymerization proceeded even in the dark by residual radicals, which served post curing of the resins. A decrease in monomer consumption was observed at the surface due to an inhibition effect of oxygen on the photoinitiation process.

Original languageEnglish
Pages (from-to)509-512
Number of pages4
JournalKobunshi Ronbunshu
Issue number6
Publication statusPublished - 1992

ASJC Scopus subject areas

  • Chemical Engineering (miscellaneous)
  • Environmental Science(all)
  • Materials Science (miscellaneous)
  • Ceramics and Composites
  • Polymers and Plastics


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