Pattanaik, Snigdha, and Sudhakar Pathuri. “Establishment of Aesthetic Soft Tissue Norms for Southern India Population: A Photogrammetric Study”. Orthodontic Journal of Nepal 4, no. 1 (October 24, 2014): 29–35. Accessed March 10, 2025. https://nepjol.info./index.php/OJN/article/view/11308.