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KMID : 1024020150450030187
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Imaging Science in Dentistry
2015 Volume.45 No. 3 p.187 ~ p.192
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Complex dental anomalies in a belatedly diagnosed cleidocranial dysplasia patient
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:Lu Hui
:Zeng Binghui/:Yu Dongsheng/:Jing Xiangyi/:Hu Bin/:Zhao Wei/:Wang Yiming
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Abstract
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Cleidocranial dysplasia (CCD) is a rare congenital disorder, typically characterized by persistently open skull sutures, aplastic or hypoplastic clavicles, and supernumerary teeth. Mutations in the gene encoding the runt-related transcription factor 2 (RUNX2) protein are responsible for approximately two thirds of CCD patients. We report a 20-year-old CCD patient presenting not only with typical skeletal changes, but also complex dental anomalies. A previously undiagnosed odontoma, 14 supernumerary teeth, a cystic lesion, and previously unreported fused primary teeth were discovered on cone-beam computed tomography (CBCT) scans. Mutation analysis identified the causal c.578G>A (p.R193Q) mutation in the RUNX2 gene. At 20 years of age, the patient had already missed the optimal period for dental intervention. This report describes the complex dental anomalies in a belatedly diagnosed CCD patient, and emphasizes the significance of CBCT assessment for the detection of dental anomalies and the importance of early treatment to achieve good outcomes.
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KEYWORD
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Cleidocranial Dysplasia, Cone-Beam Computed Tomography, Odontoma, Tooth, Supernumerary
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