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KMID : 0361920200500010063
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Korean Journal of Orthodontics
2020 Volume.50 No. 1 p.63 ~ p.71
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Comprehensive orthodontic treatment of a young girl with an odontogenic keratocyst and impacted teeth in the mandible
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Baik Won-Kyeong
Baik Hyoung-Seon
Choi Sung-Hwan
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Abstract
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Odontogenic keratocysts (OKCs) are one of the most aggressive cysts in the oral and maxillofacial area because of their high recurrence rate and infiltrative behavior. In growing patients with OKCs, a radical treatment approach might cause numerous complications, including the disturbance of jaw growth and loss of the involved tooth. This case report describes successful comprehensive orthodontic treatment combined with marsupialization of the cyst in a young girl who exhibited an OKC with impacted teeth. The 10-year-old girl presented with an OKC extending from the mandibular symphysis through the left mandibular body, with ectopic impaction of the mandibular left canine and first premolar, as well as congenitally missing bilateral mandibular second premolars. Interestingly, spontaneous improvement of the positions of the ectopic impacted teeth, along with a reduction in the size of the cyst, occurred during marsupialization. The sequential use of removable and fixed appliances enabled orthodontic traction of the impacted teeth. The treatment outcome was stable at 2.5 years after the end of the treatment. We speculate that comprehensive orthodontic treatment combined with marsupialization can be an effective treatment strategy for patients with OKCs, especially when they are encountered in young, growing patients with impacted teeth.
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KEYWORD
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Odontogenic keratocyst, Marsupialization, Impacted teeth, Orthodontic traction
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