Yawer Aldalawi, Dana M., Dara H. Saeed, and Walaa M. Saleem Almola. 2020. “The Prevalence of Amalgam Overhang in Erbil City Population”. Polytechnic Journal 10 (1):56-60. https://doi.org/10.25156/ptj.v10n1y2020.pp56-60.