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KMID : 1024020140440020171
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Imaging Science in Dentistry
2014 Volume.44 No. 2 p.171 ~ p.175
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An alternative approach to extruding a vertically impacted lower third molar using an orthodontic miniscrew: A case report with cone-beam CT follow-up
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:Cortes Arthur Rodriguez Gonzalez
:Cortes Juliana No/:Cavalcanti Marcelo Gusmao Paraiso/:Arita Emiko Saito
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Abstract
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One of the most common oral surgical procedures is the extraction of the lower third molar (LTM). Postoperative complications such as paresthesia due to inferior alveolar nerve (IAN) injury are commonly observed in cases of horizontal and vertical impaction. The present report discusses a case of a vertically impacted LTM associated with a dentigerous cyst. An intimate contact between the LTM roots and the mandibular canal was observed on a panoramic radiograph and confirmed with cone-beam computed tomographic (CBCT) cross-sectional cuts. An orthodontic miniscrew was then used to extrude the LTM prior to its surgical removal in order to avoid the risk of inferior alveolar nerve injury. CBCT imaging follow-up confirmed the success of the LTM orthodontic extrusion.
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KEYWORD
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Molar, Third, Orthodontic Extrusion, Cone-Beam Computed Tomography
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