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Comparison between different surface treatment methods on shear bond strength of zirconia (in vitro study)

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Comparison between different surface treatment methods on shear bond strength of zirconia (in vitro study)

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dc.contributor.author Joukhadar, Christelle es
dc.contributor.author Ossman, Essam es
dc.contributor.author Rayyan, Mohammad es
dc.contributor.author Shrebaty, Mohammed es
dc.date.accessioned 2020-10-22T11:50:34Z
dc.date.available 2020-10-22T11:50:34Z
dc.date.issued 2020 es
dc.identifier.citation Joukhadar, Christelle ; Ossman, Essam ; Rayyan, Mohammad ; Shrebaty, Mohammed. Comparison between different surface treatment methods on shear bond strength of zirconia (in vitro study). En: Journal of Clinical and Experimental Dentistry, 12 3 2020: 264-270 es
dc.identifier.uri https://hdl.handle.net/10550/76022
dc.description.abstract To compare the effect of Er:YAG Laser and Air particle abrasion (APA) surface treatments on shear bond strength of Y-TZP to composite resin cuboids in the presence and absence of primer application and salivary contamination. Seventy-two cuboidal shaped specimens 7x7x3 were prepared from Y-TZP using CADCAM, cleaned and sintered. Specimens were divided into 2 main groups (n=36) according to surface treatment method; Air particle abrasion (A) and laser (L). Each group was subdivided into 2 subgroups (N = 18) according to surface modification using primer; each subgroup was further divided into 2 subdivisions (N=9) according to the presence of salivary contamination; APC (Air particle abrasion, primer, contamination), AP (Air particle abrasion, primer), AC (Air particle abrasion, contamination), A (Air particle abrasion), LPC (Laser, primer, contamination), LP (Laser, primer), LC (Laser, contamination), L (Laser). Composite cuboids having dimensions of 6x6x3 were also fabricated using custom made plexi plates. Composite cuboids were cemented centrally to zirconia cuboids and light cured under 5 kg weight for 6 mins. Shear bond strength of specimens was measured utilizing universal testing machine at a crosshead speed of 0.5 mm/min. Failure loads were recorded in Newton. SBS was calculated according to equation: SBS (MPa) = load (N)/area(mm2). Viewing shear bond strength between studied groups, group APNC (484.02±85.02) showed higher mean value compared to ANPNC (122.09±55.80), also LNPNC (120.87±65.10) showed higher mean value in comparison to LPNC (170.78±53.22). APNC (484.02±85.02) and APC (592.22±189.65) showed higher mean values than LPNC (170.78±53.22) and LPC (3227.66±108.28) in sequence. APA showed higher SBS values than Er:YAG surface treatment. Primer showed better results than no primer coating. Artificial saliva contamination did not affect the SBS of zirconia compared with no contamination results. es
dc.title Comparison between different surface treatment methods on shear bond strength of zirconia (in vitro study) es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.identifier.doi 10.4317/jced.56242 es
dc.type.hasVersion VoR es_ES

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