1. Indications for the extraction of teeth in orthodontic procedure;Tweed;Am J Orthod Oral Surg,1944
2. The diagnostic facial triangle in the control of treatment objectives;Tweed;Am J Orthod,1969
3. Cephalometrics as a clinical tool;Steiner,1962
4. The importance of incisor positioning in the esthetic smile: the smile arc;Sarver;Am J Orthod Dentofacial Orthop,2001
5. The fallacies of denture expansion as a treatment procedure;Strang;Angle Orthod,1949