The genetic basis of dental anomalies and its relation to orthodontics.

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The interruption of odontogenesis by any etiological factor may result in dental anomalies . Apart from the environmental factors , the impact of genetics in dental anomalies was found to be a factor in different levels . Many authors had questioned a common genetic defect resulting in different phenotypic conditions such as absent , malformed , malposed or ectopic teeth . Because the multidisciplinary treatment of these dental anomalies such as hypodontia , impaction etc ., involves orthodontic intervention , orthodontists must be aware of the etiology and possible correlative conditions with dental anomalies .