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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한치과보철학회 The Journal of Advanced of Prosthodontics The Journal of Advanced of Prosthodontics 제8권 제3호
- 발행연도
- 2016.1
- 수록면
- 167 - 171 (5page)
이용수
초록· 키워드
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PURPOSE. This study inspects the effect of incorporating halloysite nanotubes (HNTs) into polymethyl methacrylate (PMMA) resin on its flexural strength, hardness, and Young’ modulus.
MATERIALS AND METHODS. Four groups of acrylic resin powder were prepared. One group without HNTs was used as a control group and the other three groups contained 0.3, 0.6 and 0.9 wt% HNTs. For each one, flexural strength, Young’ modulus and hardness values were measured. One-way ANOVA and Tukey’ test were used for comparison (P<.05).
RESULTS. At lower concentration (0.3 wt%) of HNT, there was a significant increase of hardness valuesbut no significant increase in both flexural strength and Young’ modulus values of PMMA resin. In contrast, at higher concentration (0.6 and 0.9 wt%), there was a significant decrease in hardness values but no significant decrease in flexural strength and Young’ modulus values compared to those of the control group.
CONCLUSION. Addition of lower concentration of halloysite nanotubes to denture base materials could improve some of their mechanical properties. Improving the mechanical properties of acrylic resin base material could increase the patient satisfaction.
목차
등록된 정보가 없습니다.
참고문헌 (34)
참고문헌 신청
Jagger DC / 1999 / The reinforcement of dentures / J Oral Rehabil 26:185~194
Kim SH / 2004 / The effect of reinforcement with woven E-glass fibers on the impact strength of complete dentures fabricated with high-impact acrylic resin. / J Prosthet Dent 91:274~280
Vallittu PK / 1992 / Effect of metal strengthener’s surface roughness on fracture resistance of acrylic denture base material / J Oral Rehabil 19:385~391
Vallittu PK / 1993 / Effect of some properties of metal strengtheners on the fracture resistance of acrylic denture base material construction / J Oral Rehabil 20:241~248
John J / 2001 / Flexural strength of heat-polymerized polymethyl methacrylate denture resin reinforced with glass, aramid, or nylon fibers / J Prosthet Dent 86:424~427
Kim SH / 2004 / The effect of reinforcement with woven E-glass fibers on the impact strength of complete dentures fabricated with high-impact acrylic resin. / J Prosthet Dent 91:274~280
Vallittu PK / 1992 / Effect of metal strengthener’s surface roughness on fracture resistance of acrylic denture base material / J Oral Rehabil 19:385~391
Vallittu PK / 1993 / Effect of some properties of metal strengtheners on the fracture resistance of acrylic denture base material construction / J Oral Rehabil 20:241~248
John J / 2001 / Flexural strength of heat-polymerized polymethyl methacrylate denture resin reinforced with glass, aramid, or nylon fibers / J Prosthet Dent 86:424~427
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