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Region of interest
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IAN between mesial roots of tooth 47 and buccal to distal root of tooth 47
The inferior alveolar nerve courses between the two mesial root apices of tooth 47. The nerve is not compressed by the mesial roots of tooth 47.
The nerve passes buccally to the distal root apex of tooth 47, and is moderately compressed between the distal root of tooth 47 and the mesial root of tooth 48.
IAN lingual to tooth 48
The inferior alveolar nerve courses lingually to the apical thirds of the fused roots of tooth 48. The nerve is moderately compressed as it courses between the distal root of tooth 47 and the mesial root of tooth 48.
1. Gross caries on tooth 47D
The distal surface of the crown of tooth 47 exhibits gross caries.
Axial views of roots of teeth 47 and 48
These axial cross-sectional views demonstrate the course of the mandibular nerve relative to the roots of teeth 47(shown in green) and 48 (shown in pink).