Cleidocranial dysplasia: A rare case report

Cleidocranial dysplasia (CCD) is an infrequent inherited anomaly having characteristic features as multiple skeletal defects, delayed closure of the fontanelle, the presence of open skull sutures and multiple wormian bones.[1,2] As a prominent feature of this disorder frontal bossing, brachycephaly and hypertelorism occurs due to delayed closure of anterior fontanelle, metopic sutures, and reduced growth of dysplastic skull base.[3] Thoracic cage is found to be small, bell-shaped with short ribs and the most prominent feature is hypermobility of shoulder girdle which occurs due to incomplete or complete absence of clavicles bone. Apart from clavicle, the other bones involved are long bones, vertebral column, pelvis, and the bones of hands and feet.[4] Intraorally mixed dentition was appreciated due to persistent retention of deciduous dentition and delayed eruption of permanent teeth as a result of which it shows a large number of unerupted supernumerary teeth.[5]