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Referral details

Case 187367

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Referral category

Wisdom Teeth

Region of interest

48

Referral reason

[Only visible to logged-in users]

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Canaray 187367

1. Slight reduction in crestal bone height at site 48 since prior scan

The prior scan (Canaray case 166573, dated 13 December 2017) is shown in redscale in the adjacent images. The current scan is shown in greyscale. The dark red regions in the overlaid scans represent regions of crestal bone loss in the interval between the prior scan and the current scan. The lesion in the pericoronal region of tooth 48 does not demonstrate any other changes in size or appearance. No reparative bone formation has occurred on the distal surface of tooth 47. The position of tooth 48 has not changed.

Right mandibular nerve buccal and inferior to the crown of tooth 48

The impacted tooth 48 is horizontally oriented, and is in slight buccoversion. The follicle surrounding the crown of the tooth is hyperplastic. Root formation is complete. The periodontal ligament space is not clearly visualized around the entire root circumference of the tooth, which suggests the possibility of ankylosis. Hypercementosis is present around the roots of the tooth.

The right inferior alveolar nerve canal passes buccal and inferior to the crown of tooth 48 and is severely compressed. The distolingual, distobuccal and mesial roots of the tooth extend through the lingual mandibular border.

The adjacent tooth 47 does not exhibit caries, resorption, or displacement.

Axial views of the posterior 4th quadrant

These axial cross sectional images of the posterior 4th quadrant demonstrate the buccal and inferior passage of the nerve relative to the crown of tooth 48. Note the positions of the distolingual, distobuccal and mesial roots of the tooth through the lingual mandibular border.

Mesiodistal views of posterior 4th quadrant

These mesiodistal cross sectional images of the posterior 4th quadrant demonstrate the horizontal orientation of the impacted tooth 48 and the hyperplastic follicle surrounding the crown of the tooth. The adjacent tooth 47 does not exhibit caries, resorption, or displacement.

1. Secondarily affected tooth 47D

The hyperplastic follicle surrounding the crown of tooth 48 and the osseous defect are adjacent to the distal surface of the root of tooth 47. The distal surface of tooth 47 is devoid of osseous support. This defect extends slightly into the periapical region of the distal root and tooth 47 may be endodontically compromised. There is no evidence of root resorption or caries on tooth 47.