1. An Assessment of the Occlusion of the Teeth of Youths 12-17 Years;Kelly,1977
2. The orthodontic problem;Proffit,2000
3. Perceptions of a balanced facial profile;Czarnecki;Am J Orthod Dentofacial Orthop,1993
4. Significance of the soft tissue profile on facial esthetics;Spyropoulos;Am J Orthod Dentofacial Orthop,2001
5. Does malocclusion affect masticatory performance?;English;Angle Orthod,2002