Cone beam CT findings of retromolar canals: Report of cases and literature review
소속 상세정보
:Han Sang-Sun
:Park Chang-Seo
KMID : 1024020130430040309
Abstract
A retromolar canal is an anatomical variation in the mandible. As it includes the neurovascular bundle, local anesthetic insufficiency can occur, and an injury of the retromolar canal during dental surgery in the mandible may result in excessive bleeding, paresthesia, and traumatic neuroma. Using imaging analysis software, we evaluated the cone-beam computed tomography (CT) images of two Korean patients who presented with retromolar canals. Retromolar canals were detectable on the sagittal and cross-sectional images of cone-beam CT, but not on the panoramic radiographs of the patients. Therefore, the clinician should pay particular attention to the identification of retromolar canals by preoperative radiographic examination, and additional cone beam CT scanning would be recommended.
키워드
Cone-Beam Computed Tomography; Mandibular Canal; Anatomic Variation
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