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Comparison of the shear bond strength of 3D printed temporary bridges materials, on different types of resin cements and surface treatment

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Comparison of the shear bond strength of 3D printed temporary bridges materials, on different types of resin cements and surface treatment

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dc.contributor.author Holmer, Lorenz es
dc.contributor.author Othman, Ahmed es
dc.contributor.author Lührs, Anne-Katrin es
dc.contributor.author See, Constantin von es
dc.date.accessioned 2019-07-02T09:25:55Z
dc.date.available 2019-07-02T09:25:55Z
dc.date.issued 2019 es
dc.identifier.citation Holmer, Lorenz ; Othman, Ahmed ; Lührs, Anne-Katrin ; See, Constantin von. Comparison of the shear bond strength of 3D printed temporary bridges materials, on different types of resin cements and surface treatment. En: Journal of Clinical and Experimental Dentistry, 11 4 2019: 367-372 es
dc.identifier.uri https://hdl.handle.net/10550/70653
dc.description.abstract Thus, purpose of this study was to compare the shear bond strength of the resin cement and the resin modified glass ionomer cement on 3D printed temporary material for crowns and bridges in combination with different surface treatment modalities. Test specimens VarseoSmile Temp material (Bego, Bremen, Germany) (n=64) in the form of rectangular blocks (n=32) and cylindrical test specimens (n=32) were printed using the Varseo S 3D printer (Bego, Bremen, Germany). The specimens were divided into 4 groups, with 8 specimens of each kind. Two groups (n=16 pairs) were blasted with Perlablast® Micro [PM] 50µm (Bego, Bremen, Germany) and two groups (n=16 pairs) were blasted with alumina [AL] 50µm. The cylindric specimen were cemented on the rectangular block with a load of 20N using a Zwick/Roell machine (Ulm, Germany), to ensure a comparable cementing process. One group (n=8) of each pre-treatment was cemented with Fuji Cem 2 [Fuji+AL & Fuji+PM] and one of each with Variolink® Esthetic [Vario+AL & Vario+PM]. The Fuji Cem 2 was chemically cured while dual curing Variolink® Esthetic was additionally light cured using LED (Bluephase II, Ivoclar Vivadent, Ellwagen, Germany; light intensity, >1,000 mW/cm2, high power modus). The shear strength was performed with Zwick/Roell universal test machine (speed, 0.8 mm/min), fracture and statistical analysis was performed (T-test, p<0.05). T-test showed a significant difference Fuji Cem 2 (Fuji+AL & Fuji&PM) and Variolink® Esthetic (Vario+AL &Vario+PM) (p=0.000). Fuji+AL & Fuji+PM showed a significant difference for surface pre-treatment (p=0.002). Vario+AL & Vario+PM no significance (p=0.872) for pre-treatment method was detectable. Variolink® Esthetic showed a higher bond strength compared to Fuji Cem 2 and an increasing bond strength for Fuji Cem 2 with alumina pre-treatment. There was no significant difference for Vario+AL and Vario+PM. es
dc.title Comparison of the shear bond strength of 3D printed temporary bridges materials, on different types of resin cements and surface treatment es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.identifier.doi 10.4317/jced.55617 es
dc.type.hasVersion VoR es_ES

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