Dr. Nitish Poddar (2021) “A Clinical Evaluation Of Chu’s Esthetic Gauges In Crown Lengthening Procedures In The Maxillary Anterior Region-A Randomised Study”, Elementary Education Online, 20(1), pp. 5498–5507. Available at: https://ilkogretim-online.org/index.php/pub/article/view/1864 (Accessed: 15 January 2025).