期刊
EUROPEAN JOURNAL OF ORTHODONTICS
卷 31, 期 4, 页码 374-379出版社
OXFORD UNIV PRESS
DOI: 10.1093/ejo/cjp018
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Thirteen subjects had permanent canine agenesis. The overall prevalence was 0.29 per cent. The prevalence of permanent canine agenesis was 0.27 per cent in the maxilla and 0.09 per cent in the mandible (P < 0.01). The male-to-female ratio was 1:2.2. Dental anomalies associated with permanent canine agenesis were found: 11 patients had retention of the primary canines, 10 other types of agenesis of the permanent teeth, one a primary supernumerary tooth, one a supernumerary cusp, and nine occlusal disturbances.
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