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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한치과보철학회 The Journal of Advanced of Prosthodontics The Journal of Advanced of Prosthodontics 제10권 제5호
- 발행연도
- 2018.1
- 수록면
- 361 - 366 (6page)
이용수
초록· 키워드
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PURPOSE. The aim of this study was to evaluate the effects of relining materials on the flexural strength of relined thermoplastic denture base resins (TDBRs). MATERIALS AND METHODS. For shear bond strength testing, 120 specimens were fabricated using four TDBRs (EstheShot-Bright, Acrytone, Valplast, Weldenz) that were bonded with three autopolymerizing denture relining resins (ADRRs: Vertex Self-Curing, Tokuyama Rebase, Ufi Gel Hard) with a bond area of 6.0 mm in diameter and were assigned to each group (n=10). For flexural strength testing, 120 specimens measuring 64.0×10.0×3.3 mm (ISO-1567:1999) were fabricated using four TDBRs and three ADRRs and were assigned to each group (n=10). The thickness of the specimens measured 2.0 mm of TDBR and 1.3 mm of ADRR. Forty specimens using four TDBRs and 30 specimens using ADRRs served as the control. All specimens were tested on a universal testing machine. For statistical analysis, Analysis of variance (ANOVA) with Tukey’s test as post hoc and Spearman’s correlation coefficient analysis (P=.05) were performed. RESULTS. Acry-Tone showed the highest shear bond strength, while Weldenz demonstrated the lowest bond strength between TDBR and ADRRs compared to other groups. EstheShot-Bright exhibited the highest flexural strength, while Weldenz showed the lowest flexural strength. Relined EstheShot-Bright demonstrated the highest flexural strength and relined Weldenz exhibited the lowest flexural strength (P<.05). Flexural strength of TDBRs (P=.001) and shear bond strength (P=.013) exhibited a positive correlation with the flexural strength of relined TDBRs. CONCLUSION. The flexural strength of relined TDBRs was affected by the flexural strength of the original denture base resins and bond strength between denture base resins and relining materials.
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참고문헌 (21)
참고문헌 신청
Takabayashi Y / 2010 / Characteristics of denture thermoplastic resins for non-metal clasp dentures / Dent Mater J 29:353~361
Goiato MC / 2010 / Effect of accelerated aging on the microhardness and color stability of flexible resins for dentures / Braz Oral Res 24:114~119
Yunus N / 2005 / Some flexural properties of a nylon denture base polymer / J Oral Rehabil 32:65~71
Katsumata Y / 2009 / Bonding strength of autopolymerizing resin to nylon denture base polymer / Dent Mater J 28:409~418
Kasumata Y / 2007 / Mechanical characterization of a flexible nylon denture base material / Bull Kanagawa Dent Coll 35:177~182
Goiato MC / 2010 / Effect of accelerated aging on the microhardness and color stability of flexible resins for dentures / Braz Oral Res 24:114~119
Yunus N / 2005 / Some flexural properties of a nylon denture base polymer / J Oral Rehabil 32:65~71
Katsumata Y / 2009 / Bonding strength of autopolymerizing resin to nylon denture base polymer / Dent Mater J 28:409~418
Kasumata Y / 2007 / Mechanical characterization of a flexible nylon denture base material / Bull Kanagawa Dent Coll 35:177~182
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