1. Malposed teeth: Their classification, pathology and treatment;Blum;Int. J. Orthod.,1923
2. Displaced and impacted canines;Rohrer;Int. J. Orthod.,1929
3. Pathologic changes in the jaws resulting in impacted teeth and other disturbances with special reference to the use of the x-ray in diagnosis;Cryer;Br. Dent. J.,1911
4. The surgical uncovering and orthodontic positioning of unerupted maxillary canines;von der Heydt;Am. J. Orthod.,1975
5. Treatment of palatally impacted canine teeth;Johnston;Am. J. Orthod.,1969