Tay Chu Jon, L. Y., Morante, D. R. H., Bernabé, E., Vich, M. O. L., & Cotrina, L. A. D. (2015). Esthetic perception towards different combinations of facial contours and upper incisor shape. Brazilian Journal of Oral Sciences, 8(4), 193–196. https://doi.org/10.20396/bjos.v8i4.8642059