Inhibitory test of turmeric leaves extract (Curcuma Longa. L) against the growth of Streptococcus mutans bacterial growth in vitro

Streptococcus mutans is a bacterium that plays an essential role in forming dental caries. Odontogenic infection oral cavity can develop from caries if not appropriately treated. Caries treatment be done with the use of antimicrobial agents. The increasing resistance to drugs has made herbal medicines choice because they are more effective and less harmful. community uses turmeric leaves as cooking spice for stomach aches children. Turmeric leaf extract contains flavonoids, tannin, phenolic active compounds. This research aims find out inhibits growth mutans. study post-test-only control condition approach laboratory setting. concentration tested was 10%, 15%, 20% positive (Chlorhexidine 0,2% mouthwash) negative (DMSO) five repetitions. Antibacterial effectiveness test using Kirby-Bauer disc diffusion method. data analysis ANOVA showed p-value 0.00 on inhibition, which indicates suppress development average inhibition zone obtained 8.7 mm at 15% 9.5 mm, 8.54 mm. concludes inhibit proliferation bacteria KEYWORDS: Leaf, mutans,