Journal of the korean academy of Pediatric Dentistry (대한소아치과학회지)

Korean Academy of Pediatric Dentistry (대한소아치과학회)
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Effectiveness of Sodium Iodide Root Canal Filling Pastes in Primary Teeth

요오드화 나트륨을 사용한 유치 근관 충전재의 효과

  • Soo Jin Chang (Department of Pediatric Dentistry, College of Dentistry, Dankook University) ;
  • Yujin Kim (Department of Biomaterials Science, College of Dentistry, Dankook University) ;
  • Junghwan Lee (Department of Biomaterials Science, College of Dentistry, Dankook University) ;
  • Jongsoo Kim (Department of Pediatric Dentistry, College of Dentistry, Dankook University) ;
  • Joonhaeng Lee (Department of Pediatric Dentistry, College of Dentistry, Dankook University) ;
  • Mi Ran Han (Department of Pediatric Dentistry, College of Dentistry, Dankook University) ;
  • Jisun Shin (Department of Pediatric Dentistry, College of Dentistry, Dankook University) ;
  • Jongbin Kim (Department of Pediatric Dentistry, College of Dentistry, Dankook University)
  • 장수진 (단국대학교 치과대학 소아치과학교실) ;
  • 김유진 (단국대학교 치과대학 생체재료학교실) ;
  • 이정환 (단국대학교 치과대학 생체재료학교실) ;
  • 김종수 (단국대학교 치과대학 소아치과학교실) ;
  • 이준행 (단국대학교 치과대학 소아치과학교실) ;
  • 한미란 (단국대학교 치과대학 소아치과학교실) ;
  • 신지선 (단국대학교 치과대학 소아치과학교실) ;
  • 김종빈 (단국대학교 치과대학 소아치과학교실)
  • Received : 2023.02.25
  • Accepted : 2023.04.01
  • Published : 2023.05.31
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Abstract

Objectives: This study aimed to compare the physical properties and antibacterial effectiveness of iodoform based root filling pastes, Vitapex® and Metapex®, with sodium iodide root filling paste (NaI paste) for primary teeth. Materials and Methods: The physical properties (flowability, film thickness, radiopacity) of the pastes were evaluated according to ISO 6876:2012. The antibacterial activity against Enterococcus faecalis strain (ATCC 6538) was evaluated using a direct contact test. Results: There was no significant statistical difference (p > 0.05) observed in the flow and film thickness of NaI paste when compared to the currently available root canal filling materials. The average flow capacities for Vitapex®, Metapex®, and NaI paste were 15.40 mm, 21.25 mm, and 20.01 mm, respectively. The average film thickness for Vitapex®, Metapex®, and NaI paste were 33.3 ㎕, 22.6 ㎕, and 25.0 ㎕, respectively. However, NaI paste showed lower radiopacity than the existing materials, and this difference was statistically significant (p < 0.05) NaI paste demonstrated higher antimicrobial activity than the available materials, and this difference was also statistically significant (p < 0.05). Conclusion: Compared to the existing commercialized root canal filling materials, NaI paste exhibited similar performance in terms of flow and film thickness, and superior antimicrobial activity against E. faecalis. Hence, NaI paste could be a promising root filling material for primary teeth and may be a potential alternative to existing materials.

이 연구의 목적은 유치에 있어 요오드화 나트륨을 사용한 근관 충전재의 효과를 알아보는 것이다. 요오드화 나트륨 근관 충전재의 효과를 알아보기 위해 현재 유치에서 가장 많이 사용하고 있는 근관 충전재와 비교하여 물리적 특성 및 항균성을 평가하였다. 비교한 기존의 근관 충전재는 Vitapex®와 Metapex®이며, 평가한 물리적 특성은 유동성, 피막도, 방사선 불투과성이다. 또한 항균성은 Enterococcus faecalis 균주(ATCC 6538)를 대상으로 평가하였다. 유동성 및 피막도는 기존의 근관 충전재와 요오드화 나트륨 근관충전재에서 통계적으로 유의미한 차이를 보이지 않았다(p > 0.05). 요오드화 나트륨 근관충전재는 방사선 불투과성이 기존의 충전재에 비해 더 낮은 결과값을 보였으며 이는 통계적으로 유의미한 차이를 보였다(p < 0.05). 요오드화 나트륨 근관충전재가 기존 충전재보다 더 높은 항균성을 보였으며 이 또한 통계적으로 유의미한 상관관계를 나타냈다(p < 0.05). 요오드화 나트륨 근관 충전재는 기존의 상품화된 근관 충전재와 효과를 비교하였을 때 유동성이나 피막성에 대해 떨어지지 않는 성능을 보였으며, 항균성에 대해서는 더 우월한 결과를 보여 기존 충전재의 대안제로 고려해 볼 수 있을 것으로 사료된다.

Keywords

Acknowledgement

This research was funded by the Department of Dentistry (Pediatric dentistry) supported through the Research-Focused Department Promotion Project as a part of the University Innovation Support Program for Dankook University in 2021 (2020R1G1A1009155).

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