1. A survey of 3,874 routine full mouth radiographs;Dachi;Oral Surg Oral Med Oral Path,1961
2. The prevalence of malocclusion in Swedish school children;Thilander;Scand J Dent Res,1973
3. The impacted maxillary canine;Hitchin;Br Dent J,1956
4. The unerupted maxillary canine;Rayne;Dent Pract,1969
5. Radiographic examination of ectopically erupting maxillary canines;Ericson;Am J Orthod Dentofac Orthop,1987