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Troublesome / painful / cracked tooth (Endodontic)
Region of interest
3.1 - 4.1
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1. Unfilled lingual canal on tooth 31
Tooth 31 is a morphologic variant with two canals. The unfilled lingual canal is the source of the persistent rarefying osteitis.
All the mandibular incisors exhibit two canals.
2. Axial slices of tooth 31
These axial cross sectional images demonstrate the unfilled lingually positioned canal on tooth 31 and a similar canal structure on tooth 32.