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KMID : 1024020190490040307
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Imaging Science in Dentistry
2019 Volume.49 No. 4 p.307 ~ p.315
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Case series of cleidocranial dysplasia: Radiographic follow-up study of delayed eruption of impacted permanent teeth
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Yeom Han-Gyeol
Park Won-Jong
Choi Eun-Joo
Kang Kyung-Hwa
Lee Byung-Do
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Abstract
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This report describes 3 cases of cleidocranial dysplasia (CCD) and presents relevant findings on long-term follow-up radiographic images of impacted permanent teeth with delayed eruption. Radiographic images of 3 CCD patients were reviewed retrospectively. These images were mainly composed of panoramic and skull radiographs, and the follow-up periods were 3, 13, and 13 years, respectively. The distinct features revealed by the images were described, and the eruption state of impacted permanent teeth was evaluated. The features common to the 3 cases were multiple supernumerary teeth, the presence of Wormian bone, underdevelopment of the maxilla and the maxillary sinus, and clavicular hypoplasia. The eruption of impacted permanent teeth was not observed without proper dental treatment in adult CCD cases, even after long time periods had elapsed. When proper orthodontic force was applied, tooth movement was observed in a manner not significantly different from the general population.
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KEYWORD
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Cleidocranial Dysplasia, Jaw, Radiography
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