Quantitative light-induced fluorescence-D를 이용한 탈회 법랑질의 재석회화 감시
MONITORING OF REMINERALIZATION OF DECALCIFIED ENAMEL USING QUANTITATIVE LIGHT-INDUCED FLUORESCENCE-D
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초록
인공 우식 용액으로 72개의 건전한 치아에 백색 병소를 형성을 유도하고 CavityShield^TM(Group I), FluroDose^TM(Group II) 그리고 Flor-Opal^Ⓡ Varnish(Group III)를 2주 간격으로 1, 2, 3회 도포하였다. 마지막 불소 바니쉬 도포 2주 후 QLFD 영상을 촬영하여 광도 변화량(ΔL)을 측정하였고, 편광 현미경으로 법랑질 탈회 깊이 변화량(ΔD)을 측정하여 통계적으로 비교하였다. 1. Group I, II, III에서 QLF-D로 관찰한 결과, 1회 도포군보다 2주 간격으로 2, 3회 도포군에서 유의하게 ΔL 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 ΔD 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).
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^Ⓡ 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, ΔL were increased. From regression analysis of ΔL 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, ΔD were decreased. From regression analysis of ΔD 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 ΔL and ΔD was -0.673 in group I, -0.574 in group II, and -0.431 in group III(p < 0.05).
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