Durante o Ensino Remoto Emergencial foram suspensas todas as avaliações presenciais trazendo grande desconforto e questionamentos sobre a autenticidade das respostas dadas às provas elaboradas distância sem existência de uma supervisão para garantir que os estudantes não copiassem dos colegas (cola). Uma opções exploradas minimizar risco cola foi desenvolver questionários com numéricas diferent...

To evaluate the effect of beverages (coffee, tea, Cola-Cola, and mineral water) on color stability resin-based composite (RBC) materials modified with different nanoparticles (NPs). The specimens (70/beverage) were fabricated from light-cured RBCs divided according to NPs into four groups: one control, unmodified (N0); three experimental—ZrO2 (Zr), TiO2 (Ti), SiO2 (Si) groups. Each experimental...

abstract statement of the problem: surface roughness is a key factor in the aesthetics of restorative dentistry as it can determine the clinical quality and success of restorative materials. the chemical process of dissolution in the presence of mechanical forces can accelerate the surface roughness of tooth-coloured restorative materials. objectives: to determine the degree of surface roughnes...