Journal of Dental Rehabilitation and Applied Science (구강회복응용과학지)

Korean Academy of Stomatognathic Function and Occlusion (대한턱관절교합학회)
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Physical properties of a new resin-based root canal sealer in comparison with AH Plus Jet

새로운 레진계 근관실러와 AH Plus Jet의 물성 비교

  • Thu, Myint (Department of Conservative Dentistry, College of Dentistry, Gangneung-Wonju National University) ;
  • Kim, Jin-Woo (Department of Conservative Dentistry, College of Dentistry, Gangneung-Wonju National University) ;
  • Park, Se-Hee (Department of Conservative Dentistry, College of Dentistry, Gangneung-Wonju National University) ;
  • Cho, Kyung-Mo (Department of Conservative Dentistry, College of Dentistry, Gangneung-Wonju National University)
  • ;
  • 김진우 (강릉원주대학교 치과대학 치과보존학교실) ;
  • 박세희 (강릉원주대학교 치과대학 치과보존학교실) ;
  • 조경모 (강릉원주대학교 치과대학 치과보존학교실)
  • Received : 2017.02.26
  • Accepted : 2017.04.26
  • Published : 2017.06.30
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Abstract

Purpose: The aim of this study was to assess the physical properties of a novel resin-based endodontic sealer, Any-Seal, in comparison with AH Plus Jet. Materials and Methods: Flow, radiopacity and compressive strength were examined according to ISO 6876/2001. For flow test, 0.05 mL of sealer was placed between glass plate and 100 g weight were applied. Ten minutes after mixing the sealers, the load was removed and the diameters of the compressed sealer discs were measured. For radiopacity, 10 mm diameter and 1 mm thickness sample were fabricated and took radiograph with an aluminum step-wedge and analyzed using imaging program. For compressive strength test, $4mm{\times}6mm$ cylindrical specimen was fabricated and tested after 24 hours and 1 week using Universal testing machine. Results: Both tested sealers were consistent with ISO 6876/2001 in the flow and radiopacity test. The flow values of both sealers were not significantly different (P > 0.05). AH Plus Jet had significantly higher radiopacity (P < 0.05). AH Plus Jet showed higher compressive strength at both time intervals (P < 0.05). Conclusion: Any-Seal showed low compressive strength until after 1 week, so its physical and biological aspect should be evaluated more before clinical use.

목적: 이 연구는 새로운 레진계 근관실러인 Any-Seal의 여러 물성을 AH Plus Jet와 비교하여 평가하고자 했다. 연구 재료 및 방법: 흐름성, 방사선 불투과성, 압축 강도를 ISO 6876/2001기준에 의해 측정하였다. 흐름성은 실러 0.05 mL를 두 개의 유리판 사이에 놓고 100 g의 무게로 눌러 측정했다. 실러 혼합 10분 뒤 무게를 제거하고 눌려진 실러의 지름을 측정했다. 방사선 불투과성은 각 근관실러를 지름 10 mm, 높이 1 mm의 디스크형 시편으로 만들어 aluminum step wedge와 함께 방사선 촬영을 하여 분석했다. 압축 강도는 각 실러를 4 mm 지름과 6 mm 높이의 실린더 형태로 만든 다음 24시간 후와 1주일 후에 측정했다. 결과: 두 근관실러의 흐름성과 방사선 불투과성 값은 ISO 6876/2001조건에 맞았다. 흐름성은 AH Plus Jet와 Any-Seal 사이에 통계적으로 유의한 차이가 없었다(P > 0.05). AH Plus Jet가 방사선 불투과성 값을 나타냈다(P < 0.05). 24시간 후와 1주일 후 모두에서 AH Plus Jet가 더 높은 압축 강도를 보였다(P < 0.05). 결론: Any-Seal이 낮은 압축 강도를 보였으므로 다른 물리적, 생물적 특성에 대해 더 많은 연구가 임상적 활용 전에 필요할 것으로 생각한다.

Keywords

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