1. Syndromes of the head and neck;Gorlin,2001
2. The frequency of retention of permanent teeth;Trankmann;Dtsch Zahnarztl Z,1973
3. Observation on the misplaced upper canine tooth;Bass;Dent Pract Dent Rec,1967
4. Localization of the unerupted maxillary canine;Jacobs;Am J Orthod Dentofacial Orthop,1999
5. Surgical exposure of impacted teeth;Felsenfeld;Oral Maxillofac Surg Clin N Am,2002