IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-9-10-32433 Original Research Paper Clinical and radiographic evaluation of the effect of Calcium Hydroxide Root Canal Dressing on healing of Apical and Periapical Tissues of Teeth with Periapical Lesion:An invivo study Syed Saba Dr. Prof. Dr Riyaz Farooq Dr. Dr. Fayaz Ahmed Dr. October 2020 9 10 01 02