Effect of Preheating on the Surface Roughness of Nanofilled and Nanohybrid Resin Composites: An In Vitro Study. Pharaonic Journal of Science, [S. l.], v. 2, n. 3, p. 86–97, 2026. DOI: 10.71428/PJS.2026.0310. Disponível em: https://pjscience.org/index.php/pjs/article/view/83. Acesso em: 23 oct. 2026.