S. J. A. Khan, Z. H. . Awaisi, and Z. . Ahmed, “Relationship Between Crown-to-Root Angulation of Maxillary Central Incisor and Lower Lip Line In Different Malocclusions: Crown-to-Root Angulation of Maxillary Central Incisor”, PJHS-Lahore, vol. 4, no. 04, pp. 196–200, Apr. 2023.