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KMID : 0358920080350020339
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Journal of the Korean Academy of Pedodontics
2008 Volume.35 No. 2 p.339 ~ p.344
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IATROGENIC IMPACTION OF LOWER LEFT PERMANENT CANINE : CASE REPORT
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Kim Song-Yi
Choi Young-Chul
Park Jae-Hong
Choi Sung-Chul
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Abstract
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When a delayed eruption of tooth is diagnosed, the causative factor should be detected before an establishment of treatment plan, if possible. Although a panoramic radiograph is enough to evaluate the position of tooth and the stage of tooth development, a 3-D Dental CT would be a powerful tool to reveal a spatial relationships between objects. The reported case showed a delayed eruption of lower left permanent canine and a mini-plate with screws adjacent to the impacted canine. Although the screws adjacent to the root of impacted tooth showed a close proximity, it was not presumed that these screws would interfere the eruption of the tooth. The impacted canine did not show any spontaneous eruption during observation. After the mini-plate and screws were removed, an orthodontic traction using elastic power chain was performed. The position of mini-plates and screws should be carefully designed to avoid damaging the tooth follicles or tooth roots in the jaw. Also the screws should be removed before an orthodontic traction to prevent damaging the root surface of impacted tooth.
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KEYWORD
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Impaction, Iatrogenic, Lower permanent canine, Orthodontic traction, Early mixed dentition
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