Effect of nigella sativa (black seed)‎, salvadora persica (siwak)‎ and aluminum potassium sulphate (alum)‎ aqueous extracts on isolated bacteria from teeth root canal

الملخص EN

Swabs were taken from 20 patients from root canal (Endodontic Department, Al-Elwiya Specialized Centre for Oral and Dental Surgery), Streptococcus oralis, Streptococcus anginosus, Enterococcus durans, Enterobacter cloacae and Staphylococcus epidermides were identified according to their cultural properties, microscopic examination and biochemical Api and minicamp tests.

Antibacterial action was evaluated on these bacterial isolates by using six different concentrations of Salvadora persica (Siwak), Nigella sativa (black seed), aluminum potassium sulphate (alum) and mixture of them, the concentrations are 3.125, 6.25, 12.5, 25, 50 and 100 %.

At 100% concentration of alum, Salvadora persica, Nigella sativa and the mixture of them, the maximum inhibition zone diameters were 42 mm on Enterococcus durans, 27 mm on Enterobacter cloacae, 26 mm on Enterobacter cloacae and 25 mm on Staphylococcus epidermides, respectively.