Dental Abnormalities The teeth exhibit many structural abnormalities, which may occur as a result of developmental or genetic alterations or as a result of a systemic process, such as gastroesophageal reflux disease, medications, or environmental and mechanical influences. Amelogenesis imperfecta is a developmental disorder of the dentition. It is a rare inherited disorder that results in abnormal formation of tooth enamel on the external layer of the crown of the tooth. The teeth become…