%0 Journal Article
%T Shear Bond Strength Between Lithium Disilicate and Zirconia Core After Addition of Nanoparticles: A Comparative Study
%A Amani Abduljabar. Altaie
%A Mohammad Munthir Abdulrazzaq
%A Emad Farhan Alkhalidi
%J Annals of Dental Specialty
%@ 2347-2022
%D 2026
%V 14
%N 1
%R 10.51847/sOs7rrcUvo
%P 1-7
%X The objective of this study was evaluate the compressive strength of Lithium disilicate and shear bond strength with zirconia core after addition of Titanium dioxide and Silica dioxide nanoparticle to Lithium disilicate. Forty samples were divided into four groups. Each group contains (10) samples as follows: Group1 (control) lithium disilicate without the addition of nanoparticles. Group2 lithium disilicate with the addition of Titanium dioxide nanoparticles. Group 3 lithium disilicate with the addition of Silica dioxide nanoparticles and Group 4 lithium disilicate with the addition of Titanium dioxide and Silica dioxide nanoparticles. All samples were subjected to thermocycling for 2000 cycles, then evaluate shear bond strength between lithium disilicate and zirconia core using a Universal testing machine. Finally, all collected data should be statistically evaluated. Shear bond strength (SBS) test results showed a significant increase in modified lithium disilicate on zirconia cores (groups 2, 3, and 4) compared to the unmodified type (control group). The combination of Titanium dioxide and Silica dioxide (group 4) to lithium disilicate showed the highest bond strength among other groups. No statistical differences in the effect of Titanium dioxide nano-particles addition (group 2) and Silica dioxide nano-particles addition (group 3). Shear bond strength between lithium disilicate lithium disilicate and zirconia core can be improved by addition of either (5% wt/wt) of Titanium dioxide nanoparticles or (5% wt/wt) of Silica dioxide nanoparticles to lithium disilicate, but we can increase (SBS) to higher value if using combination of these two types of nanoparticles (Titanium dioxide+ Silica dioxide).
%U https://annalsofdentalspecialty.net.in/article/shear-bond-strength-between-lithium-disilicate-and-zirconia-core-after-addition-of-nanoparticles-a-nmtoa0nze79urlu