Abdulwahab, M.A., Almotairi, D.M., Aldawish, B.F., Alluqmani, S.R., Dajam, A.A., Alzahrani, A.A., Alghamdi, M.S., Almutairi, S.S., Alzarea, A.S., Azzeem, R.A., Ihsan, A.A. and Najem, T.N. 2021. Persistence of bacteria and its role in endodontic treatment failure. International Journal Of Community Medicine And Public Health. 9, 1 (Dec. 2021), 432–436. DOI:https://doi.org/10.18203/2394-6040.ijcmph20214834.