Journal of Technologic Dentistry (대한치과기공학회지)

Korean Academy of Dental Technology (대한치과기공학회)
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Effect of chemical surface treatment on the flexural bond strength of heat curing denture base resin and reliners

화학적 표면처리가 열중합형 의치상 레진과 이장재간의 굴곡결합강도에 미치는 영향

  • Choi, Esther (Dept. of Dental Laboratory Technology, Hyejeon Collage) ;
  • Han, Min-Soo (Dept. of Dental Laboratory Technology, Hyejeon Collage) ;
  • Kwon, Eun-Ja (Dept. of Dental Laboratory Technology, Hyejeon Collage)
  • Received : 2015.10.29
  • Accepted : 2015.12.11
  • Published : 2015.12.30
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Abstract

Purpose: The purpose of this study was to evaluate the effect of the chemical surface treatment on the flexural bond strength of heat curing denture base resin and reliners. Methods: Denture base resin surface was treated with MMA 95% and TEGDMA 5%, MMA 95% and silane coupling agent 5%, heat curing resin monomer. After denture reliners were injected, flexural bond strength was measured. Results: The repair resin of Vertex SC was higher than Lang, hard reliner of Kooliner was higher than Rebase. Soft reliner of Dura base and Coe-soft showed differently according to the surface treatment. The all chemical treatment groups on Vertex SC were significantly higher than control(p<0.05). In Lang group, 5% MPS treated group showed significantly higher flexural bond strength than others(p<0.05). In Kooliner group, all chemical treatment groups showed significantly higher than control(p<0.05). In Rebase group, the 5% MPS and the monomer denture base resin treated groups showed significantly higher than others(p<0.05). In Dura base group, 5% MPS treated group showed significantly higher flexural bond strength than others(p<0.05). In Coe-soft group, all treated groups were significantly higher than control group(p<0.05). Conclusion: TEGDMA, MPS, and the monomer of heat-cured denture base resin were effective to improve the bond strengths between denture base and denture relining materials. Especially, 5% MPS expected to strengthen effectively the bonding property of denture base and denture reliners within the results of this study.

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References

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