THE EFFECT OF PRIMER ON PENETRATION OF SEALANT

치면열구전색제의 열구 침투에 primer의 효과

  • Jeong, Hye-Seon (Department of Pediatric Dentistry, College of Dentistry, Yonsei University) ;
  • Lee, Jae-Ho (Department of Pediatric Dentistry, College of Dentistry, Yonsei University) ;
  • Choi, Hyung-Jun (Department of Pediatric Dentistry, College of Dentistry, Yonsei University) ;
  • Choi, Byung-Jai (Department of Pediatric Dentistry, College of Dentistry, Yonsei University)
  • 정혜선 (연세대학교 치과대학 소아치과학교실) ;
  • 이제호 (연세대학교 치과대학 소아치과학교실) ;
  • 최형준 (연세대학교 치과대학 소아치과학교실) ;
  • 최병재 (연세대학교 치과대학 소아치과학교실)
  • Published : 1999.05.31

Abstract

The objective of this study is to confirm the effect of dentine bonding primer application on penetration of sealant. Extracted permanent molars were used to compare penetration success rate of control group (sealant application only) and experimental groups (sealant application after applying the primers of $Scotchbond^{TM}$ Multi-Purpose system and $All-Bond^{(R)}$ 2 system). The following results were obtained: 1. The experimental groups using the primers showed increased sealant penetration success rate to the base of fissure when compared to control group but there was no statistically significant differences(p>0.05). 2. The depth, width and 'depth/width' value of fissure had statistically significant effect on sealant penetration success rate(p<0.05). 3. The penetration success rate decreased about 0.9 times as the depth of fissure increased every $25{\mu}m$, and increased about 1.1 times as the width of the fissure orifice increased every $25{\mu}m$ and decreased about 0.6 times as the 'depth/width' value increased every 1. From the above results, it can be concluded that assure morphology had a great effect on sealant penetration and for better penetration, use of dentine bonding primer can be helpful but it needs more study in clinical bases.