Ramson, Kiran, and Shenuka Singh. “Orthodontic Status and Treatment Need of 13 to 15 Year-Old Children in Kwa-Zulu Natal South Africa: An Epidemiology Study Using the Dental Aesthetic Index (DAI)”. South African Dental Journal 76, no. 07 (October 15, 2021): 414–421. Accessed April 30, 2024. https://journals.assaf.org.za/index.php/sadj/article/view/12541.