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Troublesome / painful / cracked tooth (Endodontic)
Region of interest
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1. Enamel pearl in tooth 27P
An enamel pearl is present on the furcal surface of the coronal third of the palatal root of tooth 27. This enamel pearl has altered the shape of the palatal root, and has produced multiple lateral canals in the region adjacent to the pearl itself. This tooth is therefore more prone to devitalization, which appears to have occurred. The root apices of tooth 27 have not yet fully formed, and exhibit periapical rarefying osteitis. The probing that is evident on the mesiopalatal surface of tooth 27 is likely secondary to a draining lesion from this nonvital tooth.
Axial views of tooth 27
These axial cross-sectional images demonstrate the altered shape of the furcal surface of the palatal root of tooth 27 in the region of the enamel pearl. The invaginations of the root surfaces in this region have produced small accessory canals that communicate with the pulp chamber. The widened periodontal ligament space on the mesiopalatal surface of the palatal root of the tooth is also evident in these images, and is suggestive of the presence of a draining lesion originating from the recently devitalized tooth 27.
Buccolingual views of tooth 27
These buccolingual cross-sectional images demonstrate the morphologic alteration of the pulp floor and furcal surface of the coronal third of the palatal root of tooth 27 adjacent to the enamel pearl.
Mesiodistal views of tooth 27
These mesiodistal cross-sectional images demonstrate the widened apical periodontal ligament spaces of the developing roots of tooth 27. Tooth 26 appears normal radiographically.
2. Moderate mucositis in left maxillary sinus
Moderate mucositis is present in the left maxillary sinus. This is an incidental finding with no clinical significance.