PREVALENCE ASSESSMENT OF GINGIVAL BLACK TRIANGLES FOLLOWING INVISALIGN ORTHODONTIC TREATMENT AMONG PATIENTS IN SAUDI ARABIA: A CROSS-SECTIONAL STUDY. CAHIERS MAGELLANES-NS, [S. l.], p. 774–786, 2025. Disponível em: https://cahiersmagellanes.com/index.php/CMN/article/view/1254.. Acesso em: 12 jun. 2025.