Efficacy of Non-Cytotoxic Doses of Some Medicinal Plant Extracts as Antibacterial and Anti-Biofilm Agents Against Cariogenic Bacterium Streptococcus mutans

1Department of Health Sciences, Faculty of Pharmacy, Northern Border University, Rafha, KSA. 2Department of Environmental Biotechnology, Genetic Engineering and Biotechnology Research Institute (GEBRI), City of Scientific Research and Technology Applications (SRTACITY), New Borg El-Arab, Alexandria, Egypt. 3Department of Biopharmaceutical Product Research, Genetic Engineering and Biotechnology Research Institute (GEBRI), City of Scientific Research and Technology Applications (SRTACITY), New Borg El-Arab, Alexandria, Egypt. 4Department of Biology, Faculty of Science and Arts, Northern Border University, Rafha, KSA. 5Department of Botany and Microbiology, Faculty of Science, Minia University, Minia City61519, Egypt.