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Referral details

Case 112448

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Referral category

Impacted / delayed / malpositioned / extra teeth

Region of interest

37

Referral reason

[Only visible to logged-in users]

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Canaray 112448

Volume rendering of tooth 37

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1. Ameloblastic fibro-odontoma causing impaction of tooth 37

A small calcification is present coronal to the occlusal surface of the impacted tooth 37, within the follicular space around the crown of the tooth. The size of the follicle appears relatively normal, and there is no evidence of cystic degeneration. This radiographic appearance is consistent with the presence of an ameloblastic fibro-odontoma, which is the cause of impaction of tooth 37.

Left mandibular nerve passes through mesial and distal furcations of tooth 37

The left mandibular nerve courses through the mesial and distal furcations of tooth 37 at the level of the apical third of the roots, and is moderately compressed. The periodontal ligament space is visible around the roots of tooth 37, which suggests this tooth is not ankylosed. Note that the root apices of tooth 37 abut the inferior mandibular cortex, which increases the risk of mandibular fracture if extraction is planned.

Axial views of tooth 37

These axial cross-sectional images demonstrate the passage of the left mandibular nerve through the mesial and distal furcations of tooth 37. The periodontal ligament space is visible around the roots, and there is no evidence of ankylosis.

Mesiodistal views of tooth 37

These mesiodistal cross-sectional images demonstrate the small calcification within the follicle around the crown of the impacted tooth 37. This reflects the presence of an ameloblastic fibro-odontoma, which is the cause of impaction of tooth 37.