Cortelli, José Roberto, Débora Pallos, Thelma Krug, Sheila Cavalca Cortelli, and Thomas Charles Hart. 2010. “Prevalence of Missing Teeth in Adolescents and Young Adults”. Brazilian Dental Science 4 (2). São José dos Campos, Brazil. https://doi.org/10.14295/bds.2001.v4i2.113.