Dental caries is an oral disease of bacterial origin that causes demineralization and destruction of tooth structure. Streptococcus mutans is Grampositivebacteriathat playa vitalrolein the formationof toothdecay.Insteadof opting forsyntheticantibacterialsubstances, naturaltherapycanbefollowed.Variousspices havebactericidalpropertiesthatcanbeusedtopreventtoothdecay.Cloveis an herb,usedas a spicethat haseffectivebactericidalaction.Black pepperhasbeennamedthe black goldâ€foritswide therapeuticuses. Theeffectof thesespicesonStreptococcusmutantsisstudiedusingdisc diffusiontechnique.The resultsobtained fromour studyshowsthat thetwoextractshavegot a verygoodantibacterialactivityagainstS.mutans.Keywords: Bactericidal, Cariogenic, Dental caries, Disc diffusion
