Khattak, I.; Khattak, M. A.; Khattak, Y. J.; Arbab, S.; Rashid, M.; Shah, S. A. USE OF TOOTH CLEARING TECHNIQUE TO DETERMINE ROOT AND CANAL MORPHOLOGY OF PERMANENT MANDIBULAR THIRD MOLARS IN POPULATION OF PESHAWAR: AN IN VITRO CROSS-SECTIONAL STUDY. Khyber Med Univ J 2021, 13, 216-21.