2021. Evaluation of the efficacy of XP-endo Finisher, Easy Clean, Passive ultrasonic irrigation, and conventional irrigation in the removal of calcium hydroxide in simulated internal root resorption cavities . Research, Society and Development. 10, 3 (Mar. 2021), e1510313023. DOI:https://doi.org/10.33448/rsd-v10i3.13023.