불화나트륨 바니쉬의 도포 주기에 따른 백색 병소의 재광화 효과

REMINERALIZATION EFFECT OF SODIUM FLUORIDE VARNISH ON WHITE LESION BY APPLICATION INTERVALS

  • 이은희 (단국대학교 치과대학 소아치과학교실) ;
  • 김종수 (단국대학교 치과대학 소아치과학교실) ;
  • 유승훈 (단국대학교 치과대학 소아치과학교실)
  • Lee, Eun-Hui (Department of Pediatric Dentistry, Dental College, Dankook University) ;
  • Kim, Jong-Soo (Department of Pediatric Dentistry, Dental College, Dankook University) ;
  • Yoo, Seung-Hoon (Department of Pediatric Dentistry, Dental College, Dankook University)
  • 투고 : 2010.07.15
  • 심사 : 2010.11.11
  • 발행 : 2010.11.30

초록

본 연구는 불소 바니쉬의 백색 병소에 대한 치료 효과를 도포 기간, 빈도 등에 따라 미세경도와 병소 면적 변화를 통해 비교 분석하였다. 실험을 위해 대구치의 치관부를 이용해 레진 블록을 제작하였다. 불소 도포 주기에 따라, 1주군(I군), 2주군(II군), 3주군(III군)으로 분류하여 군당 15개의 시편을 배정하였다. 시편은 카보폴 907을 이용한 인공우식용액에 15일간 침지하여 탈회시켰으며, 이후 인공타액에 넣어 $37^{\circ}C$ 항온기에 보관하였다. 탈회 전, 탈회 후, 불소 도포 후 미세경도와 병소 면적의 변화를 평가하였다. 연구 결과 얻은 결론은 다음과 같다. 1. 미세경도 값은 I군과 비교하여 II군과 III군에서 약 2배의 증가율이 관찰되었으며, I군과 II군, I군과 III군 사이에서 통계적 유의성을 보였으나(p<0.05), II군과 III군 사이에서는 유의성을 보이지 않았다(p>0.05). 2. 색조 측정기를 이용해 관찰한 병소 면적의 변화는 I군과 II군, III군 사이에 통계적 유의성을 보이지 않았다(p>0.05). 이상의 결과에서 불소 바니쉬 도포를 통해 백색 병소의 양적, 질적 개선을 얻을 수 있다고 생각되며, 2주 이상의 주기로 도포를 시행하였을 때 좋은 효과를 얻을 수 있었다.

This study is about the treatment effect of fluoride varnish on white lesion. The changes in microhardness values and lesion sizes were compared and analyzed in relation to application interval, frequency, etc. Resin blocks were fabricated with the crown portion of permanent molars. Samples were classified into group I(1 week), group II(2 weeks) and group III(3 weeks) based on fluoride application intervals, each with 15 samples. Samples were soaked into a decalcifying solution for 15 days, and stored in artificial saliva at $37^{\circ}C$ thermostat. The changes in microhardness values and lesion sizes, before/after decalcification and after fluoride application, were evaluated. The following results were obtained. 1. Microhardness values in group II and III exhibited almost twice the increasing rate than group I. There were significant differences between group I and II, and group I and III (p<0.05), but none between group II and III (p>0.05). 2. Change in lesion sizes showed no significant differences between group I and II, III (p>0.05). In conclusion, fluoride varnish application results in both qualitative and quantitative improvements in white lesions. The satisfactory results can be obtained when varnish is applied at more than 2 weeks interval.

키워드

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