Effects of silica particle size on the mechanical, surface and printing-trueness properties of 3D-printing dental resin.

ABSTRACT: This study investigated the effects of silicon dioxide (SiO₂, silica) particle size on the mechanical, surface, and printing-trueness properties of 3D-printed dental resin. Silica nanoparticles (5-20 nm) and microparticles (0.5-10 μm) were incorporated at 1 wt% and 2 wt% into a commercial 3D-printing resin. The specimens were printed and postprocessed under standard conditions. Particle size distribution was determined using a Particle Size Analyzer. Surface characteristics such as color difference and roughness were analyzed using a profilometer and spectrophotometer. Scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDS) assessed the microstructure and silica dispersion. Degree of conversion (DC), flexural strength and Vickers hardness were evaluated to demonst

SUBMITTER: Chen D 

PROVIDER: S-EPMC12518812 | biostudies-literature | 2025 Oct

REPOSITORIES: biostudies-literature