Sana Dibazar and Leila Golpasand Hagh
Statement of the Problem: Recently, there has been an increasing growth in research on medical plants effect on dental plaque bacteria. Aim: The aim of this study was to determine the antibacterial effects of Satureja hortensis extract and its essential oil (EO) on Streptococcus salivarius, Streptococcus sanguis and Streptococcus mutans as important bacteria in early supragingival dental plaque formation.