Pagán, Grace J., Jazmin Oliva, Lumarie Cuadrado, Sonia Rivas-Tumanyan, and Augusto R. Elías-Boneta. 2014. “Prevalence of Hypodontia in 10- to 14-Year-Olds Seeking Orthodontic Treatment at a Group of Clinics in Puerto Rico”. Puerto Rico Health Sciences Journal 33 (1). https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/646.