A STUDY ON THE BOND STRENGTH OF RELINE RESIN TO PRESSURE INJECTION TYPE THERMOPLASTIC DENTURE BASE RESIN

가압주사식 열가소성 의치상 레진과 이장 레진 간의 결합강도에 관한 연구

  • Moon Tae-Sung (Department of Prosthodontics, College of Dentistry, Pusan National University) ;
  • Jeong Chang-Mo (Department of Prosthodontics, College of Dentistry, Pusan National University) ;
  • Jeon Young-Chan (Department of Prosthodontics, College of Dentistry, Pusan National University) ;
  • Lim Jang-Seop (Department of Prosthodontics, College of Dentistry, Pusan National University)
  • 문태성 (부산대학교 치과대학 보철학교실) ;
  • 정창모 (부산대학교 치과대학 보철학교실) ;
  • 전영찬 (부산대학교 치과대학 보철학교실) ;
  • 임장섭 (부산대학교 치과대학 보철학교실)
  • Published : 2002.02.01

Abstract

The purpose of this study was to evaluate the bond strength of reline resin to pressure injection type thermoplastic denture base resin. The denture base resins used in this study were $Hi-polycarbonate^{(R)}$(High Dental Co., Japan), Acetal $dental^{(R)}$(Pressingdental s.r.1., Repubblica di San Marine) of thermoplastic resin and Acron $MC^{(R)}$(GC Dental Industrial Co., Japan) of heat cured resin. The reline resins used were Lucitone $199^{(R)}$(Dentsply international Inc., USA), Tokuso $rebase^{(R)}$(Tokuyama Corp., Japan), and $Lightdon-U^{(R)}$(Dreve-Dentamid-Gmbh, Germany). The reline resins are representative of heat-cured, self-cured, and light-cured resin respectively Bond strength was examined by use of a three-point transverse flexural strength test. The results were as follows 1. The bond strength of Lucitone 199 to Acron MC was the highest. 2. The bond strengths of Lucitone 199 and Tokuso rebase to Hi-polycarbonate resulted in a value of approximately one half that of Lucitone 199 to Acron MC and there were no significant differences between these and the bond strength of Tokuso rebase to Acron MC(p<0.05) 3. The bond strengths of reline resins to Acetal dental were lower than those of reline resins to Hi-polycarbonate. 4. For all base resins Lightdon-U showed lower bond strength than the other reline resins.

Keywords

References

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