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Disease / syndrome / tumor / condition
Region of interest
#44/45 area cystic
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1. Simple bone cyst associated with teeth 34, 35
There is a moderately well-defined, delicately corticated radiolucent entity located between and apical to the roots of teeth 34 and 35. This entity has caused mild thinning of the contiguous buccal and lingual cortical plates, but there is no radiographic evidence of expansion. This entity also appears to scallop around the roots of teeth 34 and 35, but the lamina durae of these teeth appear intact. These findings are characteristic of a simple bone cyst, which does not require treatment. Although the roots of teeth 34 and 35 appear displaced in a mesial and distal direction by this radiolucent entity, respectively, this is a rare but reported feature of simple bone cysts.
Continued radiographic monitoring is recommended.
Axial views of the mid-fourth quadrant
These axial cross-sectional images demonstrate the presence of a moderately well-defined, delicately corticated radiolucent entity associated with teeth 34 and 35. Although this entity abuts the roots of teeth 34 and 35, their lamina durae remain intact. This is a strong feature of a simple bone cyst.
Buccolingual views of the mid-fourth quadrant
These buccolingual cross-sectional images demonstrate that the buccal and lingual cortical plates overlying the radiolucent entity in the right mandible appear slightly thinned, but remain intact. This entity has not caused significant expansion of the alveolar process in this region.
Mesiodistal views of the mid-fourth quadrant
These mesiodistal cross-sectional images demonstrate that the radiolucent entity in the right mandible has caused mesial and distal displacement of the roots of teeth 34 and 35, respectively. This entity has not caused any displacement or the right inferior alveolar nerve canal, and its cortices remain intact.
2. Dense bone island apical to tooth 46
Dense bone islands are present in the alveolar bone just apical to the mesial root of tooth 46. These dense bone islands demonstrate no effects on their surrounding structures. These represent non-significant incidental findings.
3. Dense bone island at site 43
A dense bone island is present in the lingual aspect of the alveolar process adjacent to tooth 43. This dense bone island exhibits no effect on its surrounding structures. This is a non-significant incidental finding.