4Tarsitano JJ, Wooten JW, Burditt JT. Transmigration of nonerupted mandibular canines: Report of cases[J]. J Am Dent Assoc, 1971, 82 (6) : 1395-1397.
5Fox NA, Fletcher GA, Homer K. Localising maxillary canines using dental panoramic tomography[J]. Br Dent J, 1995, 179(11/ 12) :416-420.
6Baccetti T. A clinical and statistical study of etiologic aspects related to associated tooth anomalies in number, size, and position[J]. Minerva Stomatol, 1998, 47(12):655-663.
7Langberg B J, Peck S. Adequacy of maxillary dental arch width in patients with palatally displaced canines[J]. Am J Orthod Dentofacial Orthop, 2000, 118 (2) : 220-223.
8Langberg BJ, Peck S. Tooth-size reduction associated with occurrence of palatal displacement of canines [J]. Angle Orthod, 2000, 70(2) : 126-125.
9Ericson S, Kurol J. Radiographic examination of ectopically erupting maxillary canines[J]. Am J Orthod Dentofacial Orthop, 1987, 91 (6) : 483-492.
10Dhooria HS, Sathawane RS, Mody RN, et al. Transmigration of mandibular canines[J]. J Indian Dent Assoc, 1986, 58 (9) : 348- 351, 357.
