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Case 201108

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Disease / syndrome / tumor / condition

Region of interest

Maxillary right

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Canaray 201108

Serial overlays demonstrate healing post-treatment appearance in posterior maxilla

The prior scan (shown in redscale) was superimposed on the current scan (shown in greenscale) in order to demonstrate the healing post-treatment appearance of the cystic lesion. The entity has diminished in size since the prior scan (as shown by the green bone within the former cystic lesion, but has not completely healed, and a post-surgical defect remains. Persistent rarefying osteitis is also present in the periapical regions of the palatal roots of tooth 16 and 17.

2. Rarefying osteitis at tooth 17

Tooth 17 is a morphologic variant with fused mesiobuccal and palatal roots. Rarefying osteitis is present in the periapical region of the roots of the tooth which communicates with the persistent bone defect. This rarefying osteitis may be a potential source of the persistent bone defect and suggests that tooth 17 is devitalized. Mild apical resorption is present on the mesiobuccal root. The bone defect extends into the furcation of the tooth. The remaining periradicular bone appears normal. There are no signs of a root fracture.

3. Rarefying osteitis at tooth 16P

Periapical rarefying osteitis is present on the palatal root of tooth 16. This suggests that tooth 16 is partially devitalized. This focus of rarefying osteitis communicates slightly with the persistent bone defect present in this region. The bone defect abuts the mesiobuccal and distobuccal root apices and the buccal cortical plate overlying these regions is dehiscent. The remaining periradicular bone appears normal. There are no signs of a root fracture.

4. Buccal abrasion on tooth 11

Buccal abrasion is present on tooth 11, at the level of the cementonenamel junction.

5. Lingual tonsilloliths

Tonsilloliths are present in the lingual tonsils. This is an incidental finding with no clinical significance.