Abraheem, M. ., and M. . Mohamed. “Index of Orthodontic Treatment Need (IOTN) for Libyan Children in Benghazi: An Ep- Idemiological Survey on School Children in Benghazi City”. Libyan Journal of Dentistry, vol. 4, no. 1, Mar. 2020, doi:10.37376/ljd.v4i1.1910.