S. Lavaf, A. Azizi, M. Rahbar, A. H. Najafpour, and S. Rezaee Harzandi, “In Vitro Effects of Four Porcelain Surface Treatment Methods on Adhesion of Lactobacilli Acidophilus”, J Dent Sch, vol. 33, no. 2, pp. 131–137, Mar. 2019.