1. Vertical lip height and dental height changes in relation to the reduction of overjet and overbite in Class II, Division 1 malocclusion;Abdel Kader;Am J Orthod,1983
2. A cephalometric study of profile changes in orthodontically treated cases 10 years out of retention;Anderson;Angle Orthod,1973
3. A cephalometric study of the soft-tissue changes during and after orthodontic treatment;Angelle;Trans Eur Orthod Soc,1973
4. A comparative study of cephalometric superimposition;Bergersen;Angle Orthod,1961
5. Cephalometric analysis of upper lip profile changes following retraction of upper incisors;Birch;Eur Orthod Soc Trans,1963