Ahamed, Z.H., Alwakeel, A., Alrshedan, A. and Altimsah, F. 2018. Knowledge and Awareness of root canal therapy for population in Saudi Arabia: A questionnaire-based study. International Journal of Medical Science and Clinical Invention. 5, 2 (Feb. 2018), 3560–3564. DOI:https://doi.org/10.18535/ijmsci/v5i2.15.