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Troublesome / painful / cracked tooth (Endodontic)
Region of interest
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1. Furcal perforation on tooth 26
Tooth 26 exhibits a perforation on the floor of the pulp chamber that extends into the buccal furcation. Rarefying osteitis is present in this region. No signs of periapical pathology are present.
2. Unfilled canals in root 26MB
The mesiobuccal root of tooth 26 exhibits unfilled canals. However, no periapical pathology is present.
Axial views of tooth 26
These axial cross sectional images demonstrate the normal appearances of the palatal and distobuccal roots of tooth 26, as well as the two unfilled canals in the mesiobuccal root of the tooth. Note the perforation in the pulp floor of the tooth adjacent to the buccal furcation.
Sagittal views of tooth 26
These sagittal cross sectional images demonstrate the localized region of bone loss in the buccal furcation of tooth 26 adjacent to the perforation in the floor of the pulp chamber, as well as the slightly widened periodontal ligament space at the mesiobuccal root apex of the tooth. Mild mucositis overlies the sinus floor.
Coronal views of tooth 26
These coronal cross sectional images demonstrate the intact buccal and lingual cortices of the alveolar process adjacent to tooth 26.
3. Widened periapical PDL space on tooth 36D
The periapical periodontal ligament space of tooth 36 is widened. No signs of root fracture are present in tooth 36.
Axial views of tooth 36
These axial cross sectional images demonstrate the presence of a restorative pin in the region of the buccal canal in the mesial root of tooth 36, as well as widened periodontal ligament space in the periapical region of the distal root of the tooth.
Sagittal views of tooth 36
These sagittal cross sectional images demonstrate the deep restorative pin in the mesial root of tooth 36, a well as the relatively normal appearance of the mesial root apex.
Normal TMJs in mandibular closed position
In the mandibular closed position, both condylar heads are centrally positioned in the glenoid fossae. The osseous structures of both joints appear normal. The soft tissues of the joints cannot be visualized with CBCT. The patient's physician would have to order an MRI in order to visualize the soft tissues of the joints.
Normal TMJs in mandibular open position
In the mandibular open position, both condylar heads are positioned at the crests of the articular eminences. This is normal.