Background: The use of nanoparticles in dentistry has become an important part of the studies. The main aim of this research was to measure the flexural and compressive strength of GIC (GC Universal Restorative Cement 2) compared to GIC (GC Universal Restorative Cement 2) containing titania nanoparticles at 3% and 5% (w/w).
Materials and Methods: This experimental in-vitro study was carried out in the Pakistan Institute of Engineering and Applied Sciences (PIEAS) and the duration of this study was two and a half months from 1st January 2019 to 15th March 2019. The powder of GIC (GC Universal Restorative Cement 2) was mixed with titania nanoparticles at 3 % and 5% (w/w). Group 1, Group 2, and Group 3 received 0%, 3%, and 5% titania, respectively. UTM (Universal Testing Machine) was used for compressive strength and flexural strength analysis. Cylinders of 9.5×1 mm were prepared for all three groups in a metal mold. A total of 18 samples for flexural strength and 18 samples for compressive strength were prepared. Surface analysis of all three experimental groups specimens, before and after flexural strength test were analyzed under SEM.
Results: The study showed significant improvement in flexural and compressive strength (p<0.05). SEM showed improved packing of particles in modified GIC at 3% and 5% (w/w) titania nanoparticles.
Conclusion: Considering the durability of titania containing GIC and the ability of this material to resist masticatory forces, the titania containing GIC is thought to be encouraging material for filling.