ABSTRACTIntroduction: Celery (Apium graveolens L.) is a member of the Apiaceae family that can grow everywhere. contains flavonoids, saponins, tannins, essential oils, apigenin, choline, vitamins A, B, C, asparagine bitter substances. and tannins which are antibacterial compounds. Streptococcus mutans Gram-positive bacterium creating an acidic atmosphere in oral cavity, causes insufficient sali...