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KMID : 1024020160460030223
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Imaging Science in Dentistry
2016 Volume.46 No. 3 p.223 ~ p.227
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Developmental salivary gland depression in the ascending mandibular ramus: A cone-beam computed tomography study
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Chen Christine A.
Ahn Yoon-Hee
Odell Scott
Mupparapu Mel
Graham David Mattew
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Abstract
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A static, unilateral, and focal bone depression located lingually within the ascending ramus, identical to the Stafne’s bone cavity of the angle of the mandible, is being reported. During development of the mandible, submandibular gland inclusion may lead to the formation of a lingual concavity, which could contain fatty tissue, blood vessels, or soft tissue. However, similar occurrences in the ascending ramus at the level of the parotid gland are extremely rare. Similar cases were previously reported in dry, excavated mandibles, and 3 cases were reported in living patients. A 52-year-old African American male patient was seen for pain in the mandibular teeth. Panoramic radiography showed an unusual concavity within the left ascending ramus. Cone-beam computed tomography confirmed this incidental finding. The patient was cleared for the extraction of non-restorable teeth and scheduled for annual follow-up.
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KEYWORD
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Cone-Beam Computed Tomography, Mandible, Parotid Gland, Salivary Glands
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