Younes س. ا.; Farah ح. Comparison between two lingual orthodontic brackets (STb – 7th G) in terms of speech performance and patients′ acceptance. University of Aden Journal of Natural and Applied Sciences, [S. l.], v. 19, n. 1, p. 89–101, 2015. DOI: 10.47372/uajnas.2015.n1.a09. Disponível em: https://uajnas.adenuniv.com/index.php/uajnas/article/view/276. Acesso em: 8 may. 2024.