García-Gonzales LA, Evaristo-Chiyong TA. Esthetic Perception of the Smile According to Variation of the Vertical Position and the Angulation of the Upper Central Incisor in Three Regions of Peru. Odovtos - Int J Dent Sc [Internet]. 2020Mar.23 [cited 2024Apr.20];22(2):179-91. Available from: https://revistas.ucr.ac.cr/index.php/Odontos/article/view/41149