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Microleakage and Anticariogenic Effect of S-PRG Filler-containing Pit and Fissure Sealant

S-PRG filler를 함유한 치면열구전색제의 미세누출 및 항우식효과

  • Shin, Seungwoo (Department of Pediatric Dentistry, School of Dentistry, Dankook University) ;
  • Kim, Jongsoo (Department of Pediatric Dentistry, School of Dentistry, Dankook University)
  • 신승우 (단국대학교 치과대학 소아치과학교실) ;
  • 김종수 (단국대학교 치과대학 소아치과학교실)
  • Received : 2013.07.03
  • Accepted : 2013.09.07
  • Published : 2013.11.29

Abstract

Pit and fissure sealant prevents biofilm accumulation, plays a role in forming a barrier to acidic substance made by the bacteria. The Surface reaction-type pre-reacted glass ionomerI(S-PRG) filler was developed in 1999. S-PRG filler releases fluoride continuously and does not decompose under wet conditions. The aim of this study was to test the microleakage and anticariogenic effect to adjacent enamel of S-PRG filler-containing pit and fissure sealant. Sound premolars and molars were used in this study. A S-PRG filler-containing pit and fissure sealant, Beautisealant$^{(R)}$(Shofu, Japan) was used for this experiment, the composite resin sealant Concise$^{(R)}$(3M ESPE, USA) was used as control. For the microleakage test, all teeth surface were double coated with finger nail varnish, with the exception of a 1.0 mm window around the restoration margins. The teeth were immersed in 2% methylene blue solution for 24 hours and then rinsed in tap water. For the anticariogenic effect evaluation, all tooth were immersed in artificial carious solution for 9 days and rinsed with tap water. Each tooth was embedded in orthodontic acrylic rein and subsequently sectioned longitudinally in a bucco-lingual direction with a low-speed diamond saw. The cut sections were examined using a stereomicroscope. Differences in microleakage between the two groups were not different significantly. But the S-PRG filler-containing pit and fissure sealant showed higher anticariogenic effect than that of flowable resin sealant.

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