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Bulk-fill 복합레진의 상아질 전단결합강도 및 미세누출

이한별;서현우;이주현;박호원
Lee, Hanbyeol;Seo, Hyunwoo;Lee, Juhyun;Park, Howon

  • 투고 : 2015.04.06
  • 심사 : 2015.06.24
  • 발행 : 2015.11.30

초록

본 연구의 목적은 bulk-fill 복합레진의 상아질 전단결합강도 및 미세누출을 평가함에 있다. 실험군으로 1종의 고점도 bulk-fill 복합레진과 2종의 저점도 bulk-fill 복합레진을 사용하였고 대조군으로 1종의 conventional 복합레진을 사용하였다. 상아질 접착제는 7세대를 사용하였다. 영구치를 4군으로 나눈 후 전단결합강도 측정을 위해 레진블록을 실험군은 4 mm, 대조군은 2 mm 두께로 축조하였고, 미세누출을 평가를 위해 실험군은 4 mm 단일층 충전, 대조군은 2 mm씩 2회 적층충전을 시행하였다. 전단결합강도와 관련하여 대조군과 비교하였을 때 저점도 bulk-fill 복합레진에서는 통계적으로 유의한 차이가 존재하지 않았으나, 고점도 bulk-fill 복합레진에서는 유의하게 낮은 값이 관찰되었다(p < 0.05). 미세누출과 관련하여 4군 사이에 통계적으로 유의한 차이가 존재하지 않았다.

키워드

Bulk-fill 복합레진;전단결합강도;미세누출;7세대 상아질 접착제

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피인용 문헌

  1. Comparison of the Mechanical Properties between Bulk-fill and Conventional Composites vol.43, pp.4, 2016, https://doi.org/10.5933/JKAPD.2015.42.4.281
  2. Evaluation of Microhardness of Bulk-base Composite Resins According to the Depth of Cure vol.44, pp.3, 2017, https://doi.org/10.5933/JKAPD.2015.42.4.281
  3. Evaluation of Cavity Wall Adaptation of Bulk-fill Resin Composites in Class II Cavities of Primary Molar vol.44, pp.4, 2017, https://doi.org/10.5933/JKAPD.2015.42.4.281