Evaluation of adhesion of reline resins to the thermoplastic denture base resin for non-metal clasp denture

Dent Mater J. 2014;33(1):32-8. doi: 10.4012/dmj.2013-121.

Abstract

This study aimed to evaluate the tensile and transverse bond strength of chairside reline resins (Tokuyama Rebase II, Mild Rebaron LC) to a thermoplastic acrylic resin (Acrytone) used for non metal clasp denture. The results were compared with those of a conventional heat polymerized acrylic resin (Paladent 20) and a thermoplastic polyamide resin (Biotone). The failure sites were examined by scanning electron microscopy to evaluate the mode of failure. As results, the bond strength of reline resins to a thermoplastic acrylic resin was similar to the value of a conventional heat polymerized acrylic resin. However, thermoplastic polyamide resin showed the lowest value. The results of this study indicated that a thermoplastic acrylic resin for non metal clasps denture allows chairside reline and repair. It was also found that the light-polymerized reline resin had better bond strength than the autopolymerizing reline resin in relining for a conventional heat polymerized acrylic resin and a thermoplastic acrylic resin.

Publication types

  • Comparative Study

MeSH terms

  • Acrylic Resins / chemistry*
  • Dental Bonding
  • Dental Clasps
  • Dental Stress Analysis
  • Denture Bases*
  • Denture Design
  • Denture Rebasing
  • Materials Testing
  • Methacrylates / chemistry
  • Polymethyl Methacrylate / chemistry*
  • Tensile Strength

Substances

  • Acrylic Resins
  • Acrytone
  • Biotone
  • Methacrylates
  • Mild Rebaron LC
  • Paladent 20
  • tokuyama rebase fast II
  • Polymethyl Methacrylate