Journal of the Korean Academy of Pediatric Dentistry 2013;40(4):247-252.
Published online November 30, 2013.
Microleakage and Anticariogenic Effect of S-PRG Filler-containing Pit and Fissure Sealant
Seungwoo Shin, Jongsoo Kim
Department of Pediatric Dentistry, School of Dentistry, Dankook University 
S-PRG filler를 함유한 치면열구전색제의 미세누출 및 항우식효과
신승우, 김종수
단국대학교 치과대학 소아치과학교실
Correspondence:  Jongsoo Kim,  Tel: +82-41-550-0222, Fax: +82-41-550-0118, Email:
Received: 3 July 2013   • Accepted: 7 September 2013
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®(Shofu, Japan) was used for this experiment, the composite resin sealant Concise®(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 lowspeed 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.
Key Words: S-PRG filler, Giomer, Anticariogenic effect, Microleakage

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