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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한치과보철학회 The Journal of Advanced of Prosthodontics The Journal of Advanced of Prosthodontics 제9권 제5호
- 발행연도
- 2017.1
- 수록면
- 364 - 370 (7page)
이용수
초록· 키워드
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PURPOSE. To explore the influence of different surface conditionings on surface changes and the influence of surface treatments and aging on the bond strengths of composites to non-aged and aged resin nanoceramics.
MATERIALS AND METHODS. Rectangular-shaped non-aged and aged (5000 thermocycles) resin nanoceramic specimens (Lava Ultimate) (n=63, each) were divided into 3 groups according to surface treatments (untreated, air abrasion, or silica coating) (n=21). The surface roughness was measured and scanning electron microscopy was used to examine one specimen from each group. Afterwards, the specimens were repaired with a composite resin (Filtek Z550) and half were sent for aging (5000 thermocycles, n=10, each). Shear bond strengths and failure types were evaluated. Roughness and bond strength were investigated by two- and three-way analysis of variance, respectively. The correlation between the roughness and bond strength was investigated by Pearson’s correlation test.
RESULTS. Surface-treated samples had higher roughness compared with the untreated specimens (P=.000). For the non-aged resin nanoceramic groups, aging was a significant factor for bond strength; for the aged resin nanoceramic groups, surface treatment and aging were significant factors. The failures were mostly adhesive after thermal cycling, except in the non-aged untreated group and the aged air-abraded group, which had mostly mixed failures. Roughness and bond strength were positively correlated (P=.003).
CONCLUSION. Surface treatment is not required for the repair of non-aged resin nanoceramic; for the repair of aged resin nanoceramic restorations, air abrasion is recommended.
목차
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참고문헌 (24)
참고문헌 신청
Acar O / 2016 / Color stainability of CAD/CAM and nanocomposite resin materials / J Prosthet Dent 115 : 71 ~ 75
Alt V / 2011 / Fracture strength of temporary fixed partial dentures: CAD/CAM versus directly fabricated restorations / Dent Mater 27 : 339 ~ 347
Amaral M / 2014 / The potential of novel primers and universal adhesives to bond to zirconia / J Dent 42 : 90 ~ 98
Belli R / 2014 / Mechanical fatigue degradation of ceramics versus resin composites for dental restorations / Dent Mater 30 : 424 ~ 432
Coldea A / 2013 / Mechanical properties of polymer-infiltrated-ceramic-network materials / Dent Mater 29 : 419 ~ 426
Alt V / 2011 / Fracture strength of temporary fixed partial dentures: CAD/CAM versus directly fabricated restorations / Dent Mater 27 : 339 ~ 347
Amaral M / 2014 / The potential of novel primers and universal adhesives to bond to zirconia / J Dent 42 : 90 ~ 98
Belli R / 2014 / Mechanical fatigue degradation of ceramics versus resin composites for dental restorations / Dent Mater 30 : 424 ~ 432
Coldea A / 2013 / Mechanical properties of polymer-infiltrated-ceramic-network materials / Dent Mater 29 : 419 ~ 426
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