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Case 92018

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Referral category

Disease / syndrome / tumor / condition

Region of interest

Mandibular Cyst

Referral reason

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Canaray 92018

1. Bone dysplasia in mid-third quadrant

A region of heterogeneous dysplastic bone is present in the periapical regions of teeth 34, 35, and 36. Internally, sparse regions of amorphous high-density bone are surrounded by low-density granular bone. The periphery of the entity is well demarcated and is slightly sclerotic. There have been no effects on the surrounding structures. The border of the adjacent inferior alveolar nerve canal remains intact. No buccolingual expansion has occurred. The buccal and lingual cortical plates remain intact. This radiographic appearance is suggestive of a bone dysplasia, such as a partially mature cemental dysplasia. No treatment is required.

Buccolingual views of mid-third quadrant

These buccolingual cross sectional images demonstrate the normal appearance of the left inferior alveolar nerve canal in the region adjacent to the dysplastic bone in the mid-third quadrant. The lingual cortical plate has been thinned by the entity, but remains intact. No buccolingual expansion of the alveolar process has occurred. The roots of teeth 34, 35, and 36 have not been affected. The periodontal ligament spaces are of uniform width around the roots of these teeth.

Mesiodistal views of mid-third quadrant

These mesiodistal cross sectional images demonstrate the heterogeneous internal appearance of the dysplastic bone in the mid-third quadrant. The low density granular structure of the majority of the internal region of this entity is evident in these images, as is the absence of any effect on the surrounding structures.

Axial views of mid-third quadrant

These axial cross-sectional images demonstrate the thinning of the buccal and lingual cortical plates by the dysplastic bone. The heterogeneous internal appearance of the entity is also evident in these images.