Rahmatul , A., L. Linosefa, S. F. Utamy, E. Efrida, Z. Oryce, and M. Malinda. “Effect of Lactobacillus Reuteri Probiotic Lozenges on Porphyromonas Gingivalis Count in Fixed Orthodontic Appliance Users”. Journal of Pharmaceutical and Sciences, vol. 9, no. 3, Sept. 2026, pp. 3023-30, doi:10.36490/journal-jps.com.v9i3.1793.