Regional odontodysplasia(ROD)is a rare localized dental developmental anomaly.The typical clinical manifestations of ROD are abnormal tooth eruption,abnormal development of enamel and dentin.The radiographic characteristic is"ghost teeth".Its etiology still remains unknown.The care and treatment of a patient with ROD needs a multidisciplinary approach.And the treatment should be taken after the assessment of each individual case of ROD.This paper reviews the definition,etiology,epidemiological features,clinical manifestations,imaging features,dental microstructure and treatment strategies of ROD to provide reference for clinical diagnosis and treatment.
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