1. Development of the World Health Organization (WHO) community periodontal index of treatment needs (CPITN);Ainamo;Int Dent J,1982
2. Global epidemiology of periodontal diseases in children and young persons;Albandar;Periodontol 2000,2002
3. Situación de salud oral de los niños uruguayos portadores del virus de la inmunodeficiencia humana;Alvarez;Arch Pediatr Urug,2007
4. Periodontal diseases of children and adolescents;American Academy of Periodontology. Research, Science and Therapy Committee;Pediatr Dent,2008
5. Gingival health of adolescents and the utilization of dental services, state of São Paulo, Brazil;Antunes;Rev Saude Publica,2008