Chotimah, C. and Ramadan, M.A. 2020. Discoloration difference between acrylic artificial teeth exposed to filter- and electronic-cigarette smoke in the Laboratory Faculty of Dentistry, Muslim University of Indonesia in 2017. Journal of Dentomaxillofacial Science. 5, 3 (Dec. 2020), 177–180. DOI:https://doi.org/10.15562/jdmfs.v5i3.821.