1. An analysis of dental casts of patients made before and after orthodontic treatment;Dona,1952
2. Changes of intermolar and intercuspid distances following orthodontic treatment;Steadman;Angle Orthod,1961
3. A study of the changes of the mandibular intercanine and intermolar widths during orthodontic treatment and following a postretention period of five years or more;Arnold,1963
4. Mandibular arch form and dimension;Shapiro;Am J Orthod,1974
5. Cases six years postretention;Johnson;Angle Orthod,1977