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KMID : 0355620110370020137
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Journal of Korean Association of Oral and Maxillofacial Surgeons
2011 Volume.37 No. 2 p.137 ~ p.141
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Injury of submandibular gland and lingual nerve as complication third molar tooth extraction in mandible : a case report
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Lim Jae-Sung
Yoon Hyun-Joong
Lee Sang-Hwa
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Abstract
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The extraction of an impacted third molar tooth is associated with many complications during the procedure and postoperative care. These complications include bleeding, swelling, pain, infection, as well as root fracture, proximal tooth injury, alveolar bone fracture, lingual nerve and inferior alveolar nerve injury etc. With the exception of a fractured root dislocation in the submandibular space, no direct submandibular gland injury related to extraction surgery has been reported until now. A 40 year old man visited the department of oromaxillofacial surgery at Yeouido St. Mary’s Hospital for an extraction of the right mandible third molar. A partial third molar impaction was diagnosed by a clinical and radiographic examination. A surgical tooth extraction was practiced including buccal cortical bone osteotomy. During socket curettage, an encapsulated cyst-like lesion and a verified 3 ×3 ㎝ neoplasm in the apically lingual direction were found during process of dissection. A biopsy confirmed that the neoplasm involved the submandibular gland and nerve trunk. This unusual anatomical organ injury during the surgical tooth extraction procedure is reported as a new complication during impacted third molar extraction.
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KEYWORD
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Third molar, Intraoperative Complications, Submandibular gland, Lingual nerve
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