The Journal of Korean Academy of Prosthodontics (대한치과보철학회지)

The Korean Academy of Prosthodonitics (대한치과보철학회)
권호 표지

A STUDY ON THE EFFECT OF PERMA CURE SYSTEM ON THE PHYSICAL PROPERTIES OF ACRYLIC RESIN SURFACES

광중합(光重合) 활택 경화제가 아크릴 레진 표면에 미치는 물리적 성질에 관한 연구

  • Bae, Jeong-Sik (Dept. of Prosthodontics, College of Dentistry, Yon Sei University) ;
  • Lee, Ho-Yong (Dept. of Prosthodontics, College of Dentistry, Yon Sei University) ;
  • Chung, Moon-Kyu (Dept. of Prosthodontics, College of Dentistry, Yon Sei University)
  • 배정식 (연세대학교 치과대학 보철학교실) ;
  • 이호용 (연세대학교 치과대학 보철학교실) ;
  • 정문규 (연세대학교 치과대학 보철학교실)
  • Published : 1985.12.01
Download PDF
⟨ Previous Next ⟩

Abstract

Acrylic resin has some disadvantages in its physical properties such as a low surface hardness, being easily abraded as well as low degree of impact resistance. To overcome these disavantages, Perma Cure System was introduced in 1981, in which photo polymerizing monomers coated on acrylic resin surface were polymerized. In this study, to observe the effect of Perma Cure System on physical properties of treated surface of different types of acrylic resin, abrasion resistance, surface hardness and surface roughness of 4 different types of resin (Premium, Ortho-jet acrylic, Quick resin, Thermo jel) were tested before and after coating treatment. The conclusions arised from this study are as follows; 1. In all types of resin, the abrasion resistance of coated specimen was higher than that of uncoated specimen, and there was difference in amount of abrasion among the types of coated resin. 2. In all types of resin, the surface hardness of coated specimen was higher than that of uncoated specimen, and there was no difference in surface hardness among the types of coated resin. 3. In all types of resin, surface roughness of coated specimen was lower than that of uncoated specimen, and was different according to the degree of surface roughness before coating treatment in same sort of resin specimen.

Keywords