Journal of Technologic Dentistry (대한치과기공학회지)

Korean Academy of Dental Technology (대한치과기공학회)
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The effect of denture cleansers on the bond strength of reline resin to denture base resin

의치 세정제가 의치상용 레진과 이장용 레진의 결합강도에 미치는 영향

  • Choi, Esther (Department of Dental Laboratory Technology, Hyejeon College) ;
  • Han, Min-Su (Department of Dental Laboratory Technology, Hyejeon College) ;
  • Kwon, Eun-Ja (Department of Dental Laboratory Technology, Hyejeon College)
  • Received : 2018.09.27
  • Accepted : 2018.12.11
  • Published : 2018.12.30
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Abstract

Purpose: The purpose of this study was to evaluate the effect of denture cleansers on the flexural bond strength of heat curing denture base resin and reliners. Methods: The denture base resin was bonded to the reliners(vertex self curing, kooliner, rebase II) to make the specimen. The specimens were immersed in denture cleansers(Polident, Cleadent) and evaluated after 1week, 3week, 5weeks. After denture reliners were injected, flexural bond strength was measured. Results: The bond strength of denture base resin and vertex self curing resin as reliner was significantly decreased at 5 weeks in cleadent and polident(p<0.05). The bond strength of kooliner and rebase II was significantly decreased at 5 weeks in denture cleaners(p<0.05). Kooliner was significantly decreased at 3 and 5 weeks in polident and rebase II was significantly decreased at 3 and 5 weeks in all denture cleansers(p<0.05). Conclusion : The flexural strength between the denture base resin and the reliners decreased significantly as the treatment time increased.

Keywords

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Figure 1. The pictures of specimen preparation

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Figure 2. Schematic diagram of specimens immersed in denture cleanser

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Figure 3. Flexural strength of between denture base resin and vertex self curing resin immersed in denture cleansers for 1, 3, 5 weeks

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Figure 4. Flexural strength of between denture base resin and kooliner immersed in denture cleansers for 1, 3, 5 weeks

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Figure 5. Flexural strength of between denture base resin and rebase II immersed in denture cleansers for 1, 3, 5 weeks

Table 1. Relining materials used in the study

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Table 2. Composition of denture cleansers

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