Traumatic Bone Cyst in the Mandibular Symphysis : Case Reports
성민아, 이난영, 이상호, 지명관,
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성민아 ( Sung Min-Ah ) - Chosun University School of Dentistry Department of Pediatric Dentistry
이난영 ( Lee Nan-Young ) - Chosun University School of Dentistry Department of Pediatric Dentistry
이상호 ( Lee Sang-Ho ) - Chosun University School of Dentistry Department of Pediatric Dentistry
지명관 ( Jih Myeong-Kwan ) - Chosun University School of Dentistry Department of Pediatric Dentistry
Abstract
Traumatic bone cyst (TBC) is an asymptomatic lesion seen most in adolescents. TBC is found incidentally on routine panoramic examinations and appears as a relatively well-demarcated unilocular radiolucency with scalloped margins. Histological examination reveals a vacant cavity of cancellous bone usually unlined or very occasionally lined with a thin connective tissue layer. The lack of lining epithelial membrane is common histological feature. The most affected site is between the mandibular canine and third molar. The involvement of the mandibular symphysis is rare. The etiopathogenesis of the TBC is unclear. TBC is treated with surgical exploration and curettage; new bone is formed in place of the lesion within 6 - 12 months of surgery. Diagnosis of TBC prior to surgical intervention has limitations in most of the cases. Both of our patients were diagnosed through radiological examination and biopsy. Neither patient had a history of trauma. After surgery, the panoramic radiograph and CBCT were used to confirm bone healing.
키워드
Traumatic bone cyst; Simple bone cyst; Solitary bone cyst; Extravasation cyst; Non-odontogenic cyst; Surgical exploration
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