Journal of the korean academy of Pediatric Dentistry (대한소아치과학회지)

Korean Academy of Pediatric Dentistry (대한소아치과학회)
권호 표지

ANTICARIOGENIC EFFECT OF FLUORIDE VARNISHES AND CHLORHEXIDINE VARNISHES

불소 바니쉬와 클로르헥시딘 바니쉬의 항우식 효과

  • Lee, Suk-Hee (Department of Pediatric Dentistry, School of Dentistry, Pusan National University) ;
  • Kim, Jae-Moon (Department of Pediatric Dentistry, School of Dentistry, Pusan National University) ;
  • Kim, Shin (Department of Pediatric Dentistry, School of Dentistry, Pusan National University) ;
  • Jeong, Tae-Sung (Department of Pediatric Dentistry, School of Dentistry, Pusan National University)
  • 이숙희 (부산대학교 치과대학 소아치과학교실) ;
  • 김재문 (부산대학교 치과대학 소아치과학교실) ;
  • 김신 (부산대학교 치과대학 소아치과학교실) ;
  • 정태성 (부산대학교 치과대학 소아치과학교실)
  • Published : 2008.02.29
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Abstract

Dental caries which is one of the most common chronic disease complexly developed by the action of oral bacteria, diet, and host factor. Various prevention program enhance resistance of demineralization and reduce the acidogenecity of oral bacteria have been introduced, representative material is fluoride and chlorhexidine. The purpose of the study was to evaluate and compare effectiveness of fluoride varnish and chlorhexidine varnish in vivo. Bovine tooth specimens were implanted in the lower space maintainers and applied with fluoride varnish and chlorhexidine varnish. After seven days in oral environment, metal mesh was covered to make similar condition of plaque accumulation and induce caries. All specimens were analysed by EPMA to evaluate quantitative change of Ca, P and by polarized microscope to identify histological changes. The results were as follows : After initial artificial caries induction in the mouth, there were remarkable enamel caries lesion in the control group under polarized light microscopy. The highest amount of mineral decrease were showed in control group. No statistically significant mineral decrease were showed in fluoride varnish group, while chlorhexidine varnish group showed only significant decrease of P(P<0.05). In conclusion both fluoride varnish and chlorhexidine varnish seemed to be effective for protecting enamel surface from caries activity, although fluoride varnish has more anticariogenic effect than chlorhexidine varnish.

치아 우식증은 구강 내 세균, 식이(음식물), 치아 및 타액 등의 숙주 요인이 복합적으로 작용하여 발생한다. 이 중 치아의 탈회에 대한 저항성을 높이거나, 구강 내 세균의 산생성능을 낮춤으로써 치아우식을 예방할 수 있는 대표적인 약제로 불소와 클로르헥시딘이 있다. 이 약제의 구강 내 적용방법으로 치아에 대한 부착력이 뛰어나고 환자의 협조의존도가 비교적 적은 바니쉬 형태가 최근 들어 널리 이용되고 있다. 본 연구는 불소와 클로르헥시딘 바니쉬의 항우식 효과를 생체 내에서 비교 평가하기 위하여, 구강 내 가철성 장치에 우치 시편을 식립하고 불소 바니쉬와 클로르헥시딘 바니쉬를 각각 도포하였다. 치태축적을 유도하여 법랑질 탈회를 통한 우식 유발 환경을 만들고 바니쉬 제제가 구강 내에서 우치 법랑질의 우식 예방에 미치는 효과를 평가하였다. 전자 현미분석 장치와 편광현미경을 사용하여 법랑질 표면의 Ca, P에 대한 정량적 변화를 분석하고 조직학적 관찰을 시행하여 다음과 같은 결론을 얻었다. 1. 인공 우식병소에 대한 편광현미경 관찰 결과, 불소 및 클로르헥시딘 바니쉬 를 도포한 군에서 대조군에 비해 법랑질 병소가 경미하게 나타남을 확인할 수 있었다. 2. 우식을 유발한 경우 Ca와 P의 감소량은 대조군에서 가장 높게 나타났고(P<0.05), 불소 바니쉬군에서는 Ca와 P의 유의한 감소가 나타나지 않았으며 클로르헥시딘 바니쉬군에서는 P만 유의한 감소를 보였다(P<0.05). 이상의 결과로 보아 불소 및 클로르헥시딘 바니쉬 제제의 사용이 항우식 효과를 나타낸 것으로 판단되나, 불소 바니쉬가 좀 더 우수한 효과를 나타낸 것으로 보인다.

Keywords

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