The correlation between upper lip length, amount of free way space and visible portion of anterior teeth at rest position. Mustansiria Dental Journal, [S. l.], v. 6, n. 4, p. 381–388, 2018. DOI: 10.32828/mdj.v6i4.490. Disponível em: https://mdj.uomustansiriyah.edu.iq/index.php/mdj/article/view/490. Acesso em: 12 may. 2025.