Estimation the Antibacterial Effect of Curcumin and Rosemary Among Patients With Dental Caries in Vitro

Abstract

Objective: The aim is to estimate the effect of curcumin and rosemary as antibacterial agents among dental caries cases.
 Methods: Samples of saliva were randomly collected from 40 patients in Al-Furat General Hospital who attended the hospital from July to September 2018. Swabs were cultured on blood agar at 37°C for 24 h and then subcultured in mannitol salt agar and trypticase soy broth at 37°C for 24 h. Different concentrations of aqueous extract curcumin solution (0.1, 0.3, 0.5, and 1 mg/ml) and rosemary solution (1 g/ml) were prepared and added to the bacterial culture. Later, minimum inhibition zones of the bacterial cultures were determined.
 Results: The results showed that there were 25 cases of Streptococcus mutans, 10 cases of Staphylococcus aureus, 3 cases of anaerobic bacteria, and 2 cases of normal flora among 40 culturing swabs of bacteria. Aqueous extract of curcumin showed antibacterial effect with concentrations (0.1, 0.3, 0.5, and 1 mg/ml) against oral bacteria; nevertheless, these bacteria were resistant to the aqueous extract of rosemary with concentration 1 g/ml.
 Conclusion: It can be concluded that curcumin can be an effective antibacterial agent against dental caries disease and its effect increases positively in relation to its concentration. On the other hand, rosemary with 1 g/ml concentration did not show any effect on oral bacteria.

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