Localized enamel hypoplasia: a case report

This case report describes a disfiguring hypoplastic maxillary right central incisor in a 20-year-old man. The maxillary primary central had been traumatized in a fall, which had resulted in its intrusion with subsequent episodes of pain and swelling around the tooth. The tooth had been extracted several years later. When the permanent central incisor erupted, it was grossly hypoplastic. The possible causes of this defect are discussed.