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논문 기본 정보

자료유형
학술저널
저자정보
신성진 (원광대학교) 오동석 (원광대학교) 박다령 (원광대학교) 오승한 (원광대학교) 배지명 (원광대학교)
저널정보
대한치과재료학회 대한치과재료학회지 대한치과재료학회지 제43권 제4호(통권 제112호)
발행연도
2016.12
수록면
307 - 316 (10page)
DOI
10.14815/kjdm.2016.43.4.307

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초록· 키워드

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Surface treatment of zirconia is important for the adhesion with adhesive resin cement. Solubility of resin cement is affected to the intraoral pH condition. The aim of the present study was to evaluate the effect of the pH of artificial saliva and the surface treatment of zirconia on shear bond strengths between zirconia and resin cement.
Zirconia blocks (Mazic Zir, Vericom) were sintered at 1500˚C for 2 hours. The surface of zirconia was treated by sandblasting (SB), 48% hydrofluoric acid (HF), and combination of sandblasting and HF (SB+HF). Self-adhesive resin cement (Rely X U200, 3M ESPE) was applied on the zirconia surface and the specimens were stored under the different pH of 4, 7 and 10 at 37˚C for 24 hours. The shear bond strengths between zirconia and resin cement were measured with a universal testing machine (Z020, Zwick) at a cross-head speed of 1 mm/min. Results were statistically analyzed with two-way ANOVA, Kruskall-Wallis test, Duncan’s multiple range test (α=0.05) and Pearson correlation analysis.
The shear bond strengths were significantly affected by different surface treatments and by pH conditions (P<0.05). For the surface treatment of zirconia, the shear bond strengths of SB+HF were higher than other groups (P<0.05). For pH condition, DW, pH4 and pH7 showed higher shear bond strengths than pH 10 (P<0.05). Therefore, when an adhesive resin cement is applied to a zirconia surface, it is recommended to treat the zirconia with sandblasting followed by HF etching.

목차

〈Abstract〉
Ⅰ. INTRODUCTION
Ⅱ. Materials and methods
Ⅲ. Results
Ⅳ. Discussion
Ⅴ. Conclusion
Ⅵ. REFERENCES

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UCI(KEPA) : I410-ECN-0101-2017-515-001974200