Evaluation Of Stress Distributions In Mandibular Molar Tooth With Different Iatrogenic Perforations Repaired With Biodentine, Mta & Endocem–Zr: A Finite Element Analysis Study. Journal of Pharmaceutical Negative Results. Published online February 15, 2023:2656-2666. doi:10.47750/pnr.2023.14.S02.312