M Al−Nema, Luma. 2011. “The Influence of Saliva, Artificial Saliva and Propolis Extract on the Wettability of Heat−Cured and Visible Light−Cured Denture Base Material”. Al-Rafidain Dental Journal 11 (1):96-104. https://doi.org/10.33899/rden.2011.45475.