Abstract
Dental anomalies are the formative defects caused by genetic disturbances or environmental factors during tooth morphogenesis. Simultaneous occurrence of various multiple anomalies has been reported previously, particularly in cases of chromosomal abnormalities that often manifest with multisystem involvement. Very few cases of multiple anomalies have been documented in patients with no known generalized abnormalities. The present paper shows an unusual occurrence of a combination of dental anomalies like mandibular canine transmigration, taurodontism in permanent mandibular molars, congenital agenesis of 14 numbers of permanent teeth excluding third molars, canine impaction, primary molars with pyramidal roots, midline diastema and generalized microdontia in an apparently normal 13-year-old Indian girl.
Highlights
Odontogenic anomalies are the formative defects caused by genetic disturbances or environmental factors during tooth morphogenesis
Dash et al [2] presented a case of talon cusp affecting the mandibular central incisor and maxillary lateral incisor, an inverted impacted migrating mandibular second premolar, and hypodontia
The prevalence of taurodontism is reported to range from 2.5% to 11.3% of the human population [8,9,10,11]
Summary
Odontogenic anomalies are the formative defects caused by genetic disturbances or environmental factors during tooth morphogenesis. Desai et al [1] described concomitant occurrence of idiopathic generalized short root anomaly and microdontia, taurodontism of posterior teeth, obliterated pulp chambers, infected cyst, and multiple dens invaginatus. It is evident from the literature that it occurs more frequently in females than in males This phenomenon usually affects the permanent canine, premolar, or lateral incisors with mandibular canine being the most frequently involved tooth [4,5,6]. The reported patient age at presentation of the transmigrant canine varies from 8 years to 69 years and may occur either unilaterally or bilaterally [4]. The causes underlying this condition remain unclear a number of theories have been proposed. This condition has been reported in both primary and permanent teeth, with a prevalence of approximately
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