Gasgoos, S., S Gasgoos, S. and R Al–Saleem, N. (2005) “The effect of dental educational level in adults (18–25 years old) with crowded teeth on the plaque and gingival conditions”, Al-Rafidain Dental Journal, 5(2), pp. 127–131. doi: 10.33899/rden.2005.45491.