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Characterization of Dental Resin Cement Containing Graphene Oxide

  • Kim, Duck-Hyun (Department of Optometry & Vision Science, Catholic University of Daegu) ;
  • Seok, Jae-Wuk (Department of Optometry & Vision Science, Catholic University of Daegu) ;
  • Sung, A-Young (Department of Optometry & Vision Science, Catholic University of Daegu)
  • Received : 2019.05.21
  • Accepted : 2019.06.22
  • Published : 2019.06.30

Abstract

In dental resin cement studies, viscosity is also an important factor in the adhesion of tooth defects and implants. This study used BisGMA and HPMA as the main ingredients, triethylene glycol dimethacrylate (TEGDMA) as a diluent, and benzoyl peroxide (BPO) as a photoinitiator. The physical properties of graphene oxide used as an additive for functionality were evaluated, and its use as a dental resin cement material was investigated.The rupture strength has the tendency to increase along with the increase of the ratio of graphene oxide that was added, which seemed to reflect the effect of the high strength property of graphene oxide. The flexural strength also has the tendency to increase when about 0.5% of graphene oxide was added the same as the increase of rupture strength.When graphene oxide was added, according to viscosity use, the utilization as high-quality dental resin cements will increase.

Keywords

Table 2. Photopolymerization of the samples

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Fig. 1. Photopolymerization of the samples

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Fig. 2. Viscosity of the samples

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Fig. 3. Rupture strength of the samples

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Fig. 4. Photopolymerization of the samples (A: R1 group; B: R2 group)

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Fig. 5. Viscosity of the samples

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Fig. 6. SEM images of the samples (A: R1-G4; B: R2-G4)

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Fig. 7. Rupture strength of the samples(A: R1 group; B: R2 group)

Table 1. Percent compositions of the samples (unit: %)

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Table 3. Percent compositions of the samples (unit: %)

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Table 4. Flexural strength test result summary of R1-G4 sample

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Table 5. Flexural strength test result summary of R2-G4 sample

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