1. Prevalence of malocclusion and orthodontic treatment need in the United States: estimates from the NHANES III survey;Proffit;Int J Adult Orthodon Orthognath Surg,1998
2. Prevalence and distribution of selected occlusal characteristics in the US population, 1988–1991;Brunelle;J Dent Res,1996
3. Incisor crowding in untreated persons 15–50 years of age: United States, 1988–1994;Buschang;Angle Orthod,2003
4. Professional perceptions of the benefits of orthodontic treatment;Hunt;Eur J Orthod,2001
5. To what extent do deviations from an ideal occlusion constitute a health risk?;Mohlin;Swed Dent J,2003