Dynamic viscoelastic properties, water absorption, and solubility of home reliners

Hiroshi Murata, Guang Hong, Chiaki Yamakado, Tadafumi Kurogi, Hiroshi Kano, Taizo Hamada

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

Scant rheological information is available regarding home reliners (liner type denture adhesives). We evaluated 6 different home reliners in regard to their viscoelastic properties, water absorption and solubility. Dynamic viscoelastic properties and changes over time were determined using a dynamic viscoelastometer, while weight changes, absorption, and solubility during immersion in water were also investigated. We found that the dynamic viscoelasticity of the tested home reliners was sensitive to changes in frequency, while the materials used had nearly no elasticity and exhibited viscous behaviors. They showed a dramatic change in viscoelastic properties and increase in weight after approximately 1 day of water immersion. A considerably high percentage of water absorption was also observed. From the viewpoint of dynamic viscoelastic properties and durability, our results indicate that the tested home reliners would not be suitable for improvement of ill-fitting dentures.

Original languageEnglish
Pages (from-to)554-561
Number of pages8
JournalDental materials journal
Volume29
Issue number5
DOIs
Publication statusPublished - 2010

Keywords

  • Dynamic viscoelasticity
  • Home reliner
  • Liner type denture adhesive

ASJC Scopus subject areas

  • Ceramics and Composites
  • Dentistry(all)

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