Chotimah, Chusnul, and Mohammad A. Ramadan. “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, no. 3 (December 1, 2020): 177–180. Accessed July 24, 2024. https://jdmfs.org/index.php/jdmfs/article/view/821.