Hummudi , Israa M, et al. “Surface Roughness and Surface Hardness of Acrylic Resins Exposed to Cuttle Bone Powder Polishing Agents”. Journal of Baghdad College of Dentistry, vol. 37, no. 3, Sept. 2025, pp. 52-63, https://doi.org/10.26477/jbcd.v37i3.4025.