대한소아치과학회지 (Journal of the korean academy of Pediatric Dentistry)

  • 제44권4호
  • /
  • Pages.412-418
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  • 2017
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  • 1226-8496(pISSN)
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  • 2288-3819(eISSN)
대한소아치과학회 (Korean Academy of Pediatric Dentistry)
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불소를 함유한 교정용 접착제의 브라켓 주변 법랑질 탈회 예방 효과

Effect of a Fluoride - Containing Orthodontic Primer for Preventing Enamel Demineralization around Bracket

  • 장하영 (한림대학교 의과대학 한림대학교성심병원 소아치과학교실) ;
  • 김종빈 (단국대학교 치과대학 소아치과학교실) ;
  • 김종수 (단국대학교 치과대학 소아치과학교실) ;
  • 오소희 (한림대학교 의과대학 한림대학교성심병원 소아치과학교실)
  • Jang, Hayoung (Department of Pediatric Dentistry, Hallym University Sacred Heart Hospital, College of Medicine, Hallym University) ;
  • Kim, Jongbin (Department of Pediatric Dentistry, College of Dentistry, Dankook University) ;
  • Kim, Jongsoo (Department of Pediatric Dentistry, College of Dentistry, Dankook University) ;
  • Oh, Sohee (Department of Pediatric Dentistry, Hallym University Sacred Heart Hospital, College of Medicine, Hallym University)
  • 투고 : 2017.04.10
  • 심사 : 2017.06.21
  • 발행 : 2017.11.30
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초록

브라켓 주위에 발생되는 법랑질 탈회는 교정 치료 시 극복해야 할 문제 중 하나이다. 본 연구는 교정용 브라켓 부착 시 사용되는 접착제 중 불소를 함유하는 교정용 프라이머의 적용이 법랑질 탈회 예방 및 재광화 유도에 미치는 효과를 알아보고자 시행되었다. 건전한 표면을 가진 발치 된 소의 절치 50개를 실험재료로 하여 법랑질 처리 방법에 따라 3개 군으로 분류하였다: (I) 아무처리하지 않은 시편, (II) 불소를 함유한 교정용 프라이머인 Light Bond$^{TM}$로 처리한 시편, (III) 전통적으로 불소를 함유하지 않는 프라이머인 Transbond$^{TM}$ XT Primer로 처리한 시편. 각 군을 인공우식용액에서 탈회시킨 다음 Q-ray view로 관찰하고, 비커스 표면미세경도 측정 및 편광현미경을 이용하여 우식 양상을 평가하였다. 인공 탈회 후 프라이머는 치아 표면에서 떨어져 나가 35 - 50% 잔존하는 것으로 보인다. 표면미세경도는 Light Bond$^{TM}$를 직접 적용한 법랑질 표면에서 가장 높았으나 유의한 차이는 없었다. 하지만 Light Bond$^{TM}$를 적용한 인접부위의 법랑질 표면미세경도는 아무처리를 하지 않은 대조군보다 유의하게 높은 값을 보였다. 편광현미경을 통해 관찰한 소견으로 Light Bond$^{TM}$를 직접 적용한 법랑질 표면은 탈회가 거의 나타나지 않았으며, Light Bond$^{TM}$의 인접부위에서는 가장 얕은 우식 양상과 재광화 소견을 보였다. 이상의 연구결과, 교정치료 시 법랑질 탈회의 발생을 줄이기 위해서 브라켓 부착 시 불소를 함유하는 프라이머의 사용이 유용함을 시사하는 바이다.

During orthodontic treatment, formation of white spot lesions (WSLs) around brackets has long been recognized as a potential risk. This study performed to investigate effect of preventing enamel demineralization and remineralization by application of fluoride-containing orthodontic primer. Fifty extracted bovine incisors teeth were randomly allocated to 3 groups: (I) Non-preparation specimens, (II) Application of Light Bond$^{TM}$ as fluoride containing orthodontic primer, (III) Application of Transbond$^{TM}$ XT Primer as traditional orthodontic primer without fluoride. Each group is demineralized under artificial carious solution. The demineralization pattern was evaluated using a Q-ray view, Vickers hardness test and polarized light microscope. The remained primer was calculated as 35 - 50%. The highest surface microhardness was shown on Light Bond$^{TM}$ surface. There were statistically significant differences in Vickers microhardness number between adjacent areas of Light Bond$^{TM}$ and non-prepared area. There was almost no demineralization of the enamel surface under the Light Bond$^{TM}$. At the adjacent site of Light Bond$^{TM}$, the shallow caries pattern and remineralization appearance were also observed. These results suggest that the use of fluoride-containing primers may be useful for bracket attachment to reduce enamel demineralization during orthodontic treatment.

키워드

참고문헌

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