1. Components of class II malocclusion in children 8–10 y of age;McNamara;Angle Orthod,1981
2. Sagittal discrepancies;Karad,2010
3. Hybrid functional appliances for management of class II malocclusions;Dandajena,2010
4. The first stage of comprehensive treatment: alignment and leveling;Proffit,2007
5. Change in overbite: a ten – year post retention study;Simons;Am J Orthod,1973