USMAN SANA1 , IFFAT UMAIR NIAZI2 , RAMLA SAHIB DIN3 , MUBASHIR RASHEED4 , IRSAM HAIDER5 , OMER YOUSAF62025-09-172025-09-172021-05-23https://research.superior.edu.pk/handle/123456789/961Root. Canal. Morphology. of Mandibular. First. Permanent. Molars. in Pakistani. Sub-population. – An in vitro study