H. Alluazy, O., H. Sabah, H., H. Al-zubaidi, S. and M. Al-Sultan, M. 2014. A Comparative Assessment of Space Closure Utilizing by Lingual and Conventional Brackets. Al-Rafidain Dental Journal. 14, 2 (Dec. 2014), 220–227. DOI:https://doi.org/10.33899/rden.2014.160901.