B., Nagesh, Naik B., Kavuri S. R., and Tanniru H. I. 2018. “Endodontic Retreatment - Unusual Anatomy of A Maxillary Second and Mandibular First Premolar: Report of Two Cases”. Journal of Pierre Fauchard Academy (India Section) 25 (4):209-11. https://informaticsjournals.co.in/index.php/jpfa/article/view/23050.