1. Prevalence of malocclusion and orthodontic treatment need in the United States: estimates from the NHANES-III survey;Proffit;Int J Adult Orthod Orthognath Surg,1998
2. Special considerations in comprehensive treatment for adults;Proffit,2000
3. Psychological profiles and motives of adults seeking orthodontic treatment;McKiernan;Int J Adult Orthod Orthognath Surg,1992
4. A 10-year retrospective study of periodontal disease progression;Papapanou;J Clin Periodontol,1989
5. Natural history of periodontal disease in man;Löe;J Clin Periodontol,1986