1. Maxillary canine impaction as a possible microform of cleft lip and palate;Takahama;Eur J Orthod,1982
2. Dental survey of one thousand adult males: a statistical study correlated with physical and laboratory findings;Cramer;J Am Dent Assoc,1929
3. Incidence of impacted teeth;Mead;Int J Orthod,1930
4. A survey of 3874 routine full-mouth radiographs. II. A study of impacted teeth;Dachi;Oral Surg Oral Med Oral Pathol,1961
5. Position of the maxillary permanent canine in relation to anomalous or missing lateral incisors: a population study;Brin;Eur J Orthod,1986