SIDDIQUI, A. P.; NAZIR, R.; MAHMOOD, A. Effect of sagittal position of maxilla and maxillary incisors inclination on the position of the upper lip. Pakistan Orthodontic Journal, [S. l.], v. 9, n. 1, p. 8–14, 2017. Disponível em: https://poj.org.pk/index.php/poj/article/view/151. Acesso em: 12 may. 2025.