Haseeb Ahmad, Umar Nasir, Mahwish Zeb, Asma Ali, Asfandyar Qureshi, Sana Naeem 2022. A prospective study of the Various Categories of Crown to Root Ratio of Premolars by Using Cone Beam CT Images. Pakistan Journal of Medical & Health Sciences. 16, 09 (Oct. 2022), 129. DOI:https://doi.org/10.53350/pjmhs22169129.