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A CASE STUDY ON CLINICAL APPLICATION OF COMPUTED TOMOGRAPHY IN PEDIATRIC DENTISTRY

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Abstract

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Computed tomography(CT) has become more widely available in recent years and is
recognized as an important diagnostic tool for complex disease and condition of the
orofacial structure in adults. In pediatric patients, especially in the mixed dentition
period, the number of superimposing dental structures in the jaw bone is much greater
than in the permanant dentition period. Therefore, in spite of radiation risk, computed
tomography should sometimes be used in pediatric patients in order to obtain a precise
and valid diagnosis. This case study presents clinical application of computed
tomography on patients visiting department of pediatric dentistry in Seoul National
University Dental Hospital. The results obtained through these cases were summarized
as follow :
1. Localization of impacted teeth using CT allows for efficient treatment planning
leading to reduced postoperative complications.
2. In orthodotic traction of impacted permanent teeth, utilization of CT made exact
localization of window site and determination of prognosis possible.
3. Use of CT made possible definite diagnosis of lesions in the jaw that were only
suspected on plain film radiographs.
4. Careful selection is necessary when applying CT on children due to increased
radiation does and high cost.

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computed tomography; localization; impaceted teeth; radiation dose;

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