Younes سا, Farah ح. Comparison between two lingual orthodontic brackets (STb – 7th G) in terms of speech performance and patients′ acceptance. Univ. Aden J. Nat. and Appl. Sc. [Internet]. 2015 Apr. 30 [cited 2024 May 9];19(1):89-101. Available from: https://uajnas.adenuniv.com/index.php/uajnas/article/view/276