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Disease / syndrome / tumor / condition
Region of interest
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1. Complex odontoma apical to teeth 45 and 46M
A complex odontoma is present within the right mandibular body apical to tooth 45 and the mesial root of tooth 46. Although partially comprised of well defined tooth-like structures, the majority of this odontome is an amorphous mass of enamel and dentin attenuation. The presence of a well defined radiolucent capsule resembling a dental follicle also supports the interpretation of a complex odontoma. The right mandibular nerve courses apical and is deflected inferiorly by this complex odontoma, and exhibits moderate compression. The mental foramen is positioned at the mesial aspect of the complex odontoma. The overlying buccal and lingual cortices are thinned but intact, and the lingual cortex is slightly expanded. In the absence of clinical signs and symptoms, this complex odontoma may be radiographically monitored.
Axial views of mid-4th quadrant
These axial cross sectional images demonstrate the presence of a complex odontoma within the right mandibular body. The adjacent lingual cortex is mildly expanded, and the overlying buccal and lingual cortices are thinned but intact.
Coronal views of mid-4th quadrant
These coronal cross-sectional images demonstrate the apical course of the right mandibular nerve relative to the complex odontoma in the right mandibular body. The nerve is deflected inferiorly and moderately compressed.
Sagittal views of mid-4th quadrant
These sagittal cross-sectional images demonstrate the inferior deflection of the right mandibular nerve canal caused by the complex odontoma apical to teeth 45 and 46. No resorption has occurred to the adjacent teeth.