Jasim , Hala M, et al. “Effect of Different Bracket Types on Streptococcus Mutans Count in Orthodontic Patients Using Fluoridated Toothpaste”. Journal of Baghdad College of Dentistry, vol. 32, no. 2, June 2020, pp. 1-4, https://doi.org/10.26477/jbcd.v32i2.2886.