1. Resorption of upper incisors following orthodontic treatment;Morse;Dent Pract Dent Rec,1971
2. Initial tissue behavior during apical root resorption;Reitan;Angle Orthod,1974
3. An evaluation of root resorption occurring during orthodontic treatment;Rudolph;J Dent Res,1940
4. A preliminary report of an investigation of apical root resorption of permanent teeth;Ketcham;Int J Orthod,1927
5. Apical root resorption under orthodontic therapy;Phillips;Angle Orthod,1955