Disjunction and extraction of maxillary first premolars in malocclusion Class II division 1 mesofacial patient. Revista Universidad de Guayaquil, [S. l.], v. 116, n. 2, p. 11–22, 2013. DOI: 10.53591/rug.v116i2.444. Disponível em: https://revistas.ug.edu.ec/index.php/rug/article/view/431. Acesso em: 5 dec. 2025.