Vanapatla, A., Tulasi, P.N., Neethu, N.B., Sneha, P., Avinash, M. and Tiwari, H.D. 2022. Comparision of apical leakage between immediate versus delayed post space preparation using various root canal sealers: An invitro study. International journal of health sciences. 6, S1 (May 2022), 11800–11806. DOI:https://doi.org/10.53730/ijhs.v6nS1.7881.