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Antibacterial Effect of Tea Tree Ingredient for Denture Cleaners

티트리 성분 함유 의치세정제의 항균 효과

  • Choi, Yu-Ri (Department of Dental Hygiene, Kyungdong University) ;
  • Bae, Sung-Suk (Department of Dental Hygiene, Hanseo University,) ;
  • Kang, Min-Kyung (Department of Dental Hygiene, Hanseo University,)
  • 최유리 (경동대학교 치위생학과) ;
  • 배성숙 (한서대학교 치위생학과) ;
  • 강민경 (한서대학교 치위생학과)
  • Received : 2016.08.30
  • Accepted : 2016.09.29
  • Published : 2016.12.31

Abstract

The purpose of this study was to evaluate the antibacterial effect of tea tree oil in denture cleaners. A self-curing denture resin was used to make the experimental specimen ($12mm{\times}2mm$). A saline solution was used as the control. To observe surface changes after cleaning, the microhardness and color of the experimental specimen's surface were analyzed. For the antibacterial activity test, Candida albicans was used. The microhardness and color of the surface remained unchanged after cleaning. The result of the antibacterial activity test revealed that the tea tree oil-containing solutions had a more enhanced antibacterial effect than did the saline solution. Therefore, these results suggest that the tea tree oil-containing solution is a promising denture cleaners.

본 연구의 목적은 천연 식물 중 허브의 일종인 티트리 성분이 함유된 의치세정제를 제조하고 레진의 표면을 분석하고 항균 효과를 평가하고자 하였으며, 다음과 같은 결과를 얻었다. 티트리 오일이 각각 30 vol%, 50 vol% 첨가된 실험군 의치세정제를 제조하였으며 실험군 티트리 오일에서 24시간, 48시간 보관한 후 표면 경도를 확인한 결과 대조군 생리식 염수와 유의한 차이가 없었으며, 시간에 따른 변화 역시 유의한 차이가 없었다. 의치상의 색상변화를 확인하기 위해 색차색도계를 이용하여 24시간, 48시간에 따른 전체변화량 ${\Delta}E^*$값을 확인한 결과 대조군 생리식염수와 유의한 차이가 없어 티트리 의치세정제가 의치표면의 색변화를 나타내지 않았다. 마지막으로 항균력을 평가한 결과 실험군인 티트리 50%군에서는 $3.18{\pm}2.59CFU/ml$로 원액과 유의차를 확인 할 수 없었지만 30%군보다는 높은 항균력을 보였다. 30%군에서는 $36.81{\pm}28.42CFU/ml$로 대조군보다는 높은 항균력을 보였지만 50%군과 티트리 원액 실험군보다는 낮은 항균력을 나타냈다. 따라서 티트리 오일이 함유된 의치세정제는 의치상용레진에 물리적 기계적 변화 없이 우수한 항진균력을 보여 향후 천연성분인 티트리 오일이 함유된 의치세정제 개발을 위한 기초 자료로 활용될 수 있을 것이라 생각된다.

Keywords

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