Influence of cementation and cement type on the fracture load testing methodology of anterior crowns made of different materials
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概要
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To evaluate the influence of cementation on fracture load of anterior crowns made of CAD/CAM-resin-blocks (ART), leucite-reinforced glass-ceramics (LRG), lithium disilicate ceramics (LIT), veneered zirconia (ZRO) and veneered alloy (DEG). Each crown group (n=15/subgroup) was cemented on the metal abutment as follows: i. using glass ionomer, ii. using self-adhesive resin cement, and iii. not cemented. Crowns were tested and analyzed with 2-way and 1-way ANOVA (Scheffé test), and Weibull statistics (p<0.05). Within LRG, self-adhesive cemented subgroup showed higher fracture load compared to other groups (p<0.001). Among DEG, lower results were measured for non-cemented crowns than for cemented (p<0.001). For ART, LIT and ZRO no influence of cementation was observed. For fracture load test methodology, metal ceramic crowns should be generally cemented. Glass-ceramic crowns should be cemented using adhesive cement. Cementation and cement type did not have an influence on the fracture load results for resin, zirconia or lithium disilicate crowns.
著者
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Beuer Florian
Department Of Prosthodontics Ludwig-maximilians-university
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Edelhoff Daniel
Department Of Prosthodontics Ludwig-maximilians-university
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Roos Malgorzata
Division Of Biostatistics Institute Of Social And Preventive Medicine University Of Zurich
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Stawarczyk Bogna
Department Of Prosthodontics Dental School Ludwig-maximilian University Of Munich
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ENDER Andreas
Clinic of Preventive Dentistry, Periodontology and Cariology, Center of Dental Medicine, University of Zurich
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WIMMER Timea
Department of Prosthodontics, Munich Dental School, Ludwig-Maximilians University Munich
関連論文
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- Effect of different adhesives combined with two resin composite cements on shear bond strength to polymeric CAD/CAM materials
- Influence of cementation and cement type on the fracture load testing methodology of anterior crowns made of different materials
- Effect of different adhesives combined with two resin composite cements on shear bond strength to polymeric CAD/CAM materials
- Tensile bond strength of veneering resins to PEEK : Impact of different adhesives