Journal of the korean academy of Pediatric Dentistry (대한소아치과학회지)

Korean Academy of Pediatric Dentistry (대한소아치과학회)
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MONITORING OF REMINERALIZATION OF DECALCIFIED ENAMEL USING QUANTITATIVE LIGHT-INDUCED FLUORESCENCE-D

Quantitative light-induced fluorescence-D를 이용한 탈회 법랑질의 재석회화 감시

  • You, Yon-Sook (Department of Pediatric Dentistry, Dental College, Dankook University) ;
  • Kim, Jong-Soo (Department of Pediatric Dentistry, Dental College, Dankook University)
  • 류연숙 (단국대학교 치과대학 소아치과학교실) ;
  • 김종수 (단국대학교 치과대학 소아치과학교실)
  • Received : 2012.07.18
  • Accepted : 2012.08.08
  • Published : 2012.08.31
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Abstract

The objective of this in vitro study was to monitor the amount of remineralization of decalcified enamel according to the number of fluoride varnish application using quantitative light-induced fluorescence-D and polarizing microscope. Artificial white lesion induced on the sound 72 teeth, $CavityShield^{TM}$ (Group I), $FluroDose^{TM}$ (Group II) and $Flor-Opal^{(R)}$ Varnish (Group III) were applied 1, 2 or 3 times every two weeks. The following results was obtained: 1. In group I, II and III, ${\Delta}L$ were increased. From regression analysis of ${\Delta}L$ by the number of application, the equation was y = 3.878x + 90.612 in group I, y = 3.133x + 37.168 in group II, and y = 3.509x + 82.322 in group III(p < 0.05). 2. In group I, II and III, ${\Delta}D$ were decreased. From regression analysis of ${\Delta}D$ by the number of application, the equation was y = -2.336x + 107.235 in group I, y = -2.158x + 101.620 in group II, and y = -1.940x + 94.806 in group III(p < 0.05). 3. The Pearson correlation value between the ${\Delta}L$ and ${\Delta}D$ was -0.673 in group I, -0.574 in group II, and -0.431 in group III(p < 0.05).

인공 우식 용액으로 72개의 건전한 치아에 백색 병소를 형성을 유도하고 $CavityShield^{TM}$(Group I), $FluroDose^{TM}$(Group II) 그리고 $Flor-Opal^{(R)}$ Varnish(Group III)를 2주 간격으로 1, 2, 3회 도포하였다. 마지막 불소 바니쉬 도포 2주 후 QLF-D 영상을 촬영하여 광도 변화량(${\Delta}L$)을 측정하였고, 편광 현미경으로 법랑질 탈회 깊이 변화량(${\Delta}D$)을 측정하여 통계적으로 비교하였다. 1. Group I, II, III에서 QLF-D로 관찰한 결과, 1회 도포군보다 2주 간격으로 2, 3회 도포군에서 유의하게 ${\Delta}L$ 값이 증가하였고, 각 불소 바니쉬에서 도포 횟수에 따라 회귀 분석 결과, y = 3.878x + 90.612, y = 3.133x + 37.168, y = 3.509x + 82.322의 회귀 방정식이 산출되었다(p < 0.05). 2. Group I, II, III에서 편광 현미경으로 관찰한 결과, 1회 도포군보다 2주 간격으로 2, 3회 도포군에서 유의하게 ${\Delta}D$ 값이 감소하였고, 각 불소 바니쉬에서 도포 횟수에 따라 회귀 분석 결과, y = -2.336x + 107.235, y = -2.158x + 101.620, y = -1.940x + 94.806의 회귀 방정식이 산출되었다(p < 0.05). 3. 불소 바니쉬 적용하고 편광 현미경으로 관찰한 인공 우식의 깊이 변화량과 QLF-D로 관찰한 광도 변화량 사이의 피어슨 상관 계수는 Group I에서 -0.673, Group II에서 -0.574, 그리고 Group III에서 -0.431이었다(p < 0.05).

Keywords

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