Neha Bansal, Himanshu Mehta, Tushar Rathor and Nalini Trivedi 2019. Rare Occurrence of Single Rooted Mandibular Left First and Third Permanent Mandibular Molar: A Case Report . International Healthcare Research Journal. 3, 6 (Sep. 2019), 198-200. DOI:https://doi.org/10.26440/IHRJ/0306.09290.