Ula Samir Salim and Dr. Suhad Mwaffaq Hamdoon 2023. The Effect of Probiotic Administration on the Modulation of Subgingival Bacteria in Patients with Gingivitis. Central Asian Journal of Medical and Natural Science. 4, 3 (Jun. 2023), 533-547. DOI:https://doi.org/10.17605/cajmns.v4i3.1563.