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Troublesome / painful / cracked tooth (Endodontic)
Region of interest
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1. External resorption on tooth 21DL
The distolingual surface of tooth 21 exhibits a large resorptive defect at the level of the cementoenamel junction. This resorptive defect extends to the depth of the pulp chamber and has undermined the enamel of the distal surface of the crown. The resorption extends approximately 1mm subcrestally, and is irregularly shaped. The pulp chamber appears calcified as well as the midroot region adjacent to the resorptive defect.
Coronal views of tooth 21
These coronal cross sectional images demonstrate the extent of the resorptive defect in the crown and in the cervical third of the root of tooth 21.
Sagittal views of tooth 21
These sagittal cross sectional images demonstrate the irregular shape and the subcrestal extent of the resorptive defect associated with tooth 21.
Axial views of tooth 21
These axial cross sectional images demonstrate the extent of the loss of dentin in the distolingual aspect of the crown of tooth 21.