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Region of interest
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Atrophic bone in the first quadrant
Atrophy is present in the edentulous alveolar bone in the first quadrant. The buccolingual width of the crestal bone is reduced and the overall bone height is also reduced. The right maxillary sinus extends to the proximity of the alveolar crest at the posterior region. The remaining underlying bone appears normal otherwise.
Atrophic bone in the second quadrant
Atrophy is present in the edentulous alveolar bone in the second quadrant. The buccolingual width of the crestal bone is reduced and the overall bone height is also reduced. The remaining underlying bone appears normal otherwise.
1. Enlarged nasopalatine duct: variant of normal anatomy
The nasopalatine canal appears enlarged, with the greatest dimensions measuring approximately 5.0 by 4.4mm. These dimensions are within the limits of normal. These findings suggest a variant of normal anatomy, but limits the available buccolingual width of the bone.
2. Mild mucositis + mucous retention pseudocysts of both maxillary sinuses
Mild mucositis is present in both maxillary sinuses. This represents an incidental finding with no clinical significance. Mucous retention cysts are present in both maxillary sinuses. This is an incidental finding with no clinical significance.
3. Transverse ridge apical to site 15 + mild mucositis in the right maxillary sinus
A small transverse ridge is present apical to site 15, which may slightly impede a potential sinus lift procedure at this site. Mild mucositis is present on the floor of the right maxillary sinus. This is an incidental finding with no clinical significance.
Sagittal views of the left maxillary sinus: No impediment for sinus lift surgery
These sagittal cross-sectional images demonstrate the mild mucositis and a retention pseudocyst in the left maxillary sinus, which is not an impediment for sinus lift surgery at this size. There is no evidence of a potential transverse septum in the left maxillary sinus that impedes the sinus lift surgery.
4. Significant intracranial calcification of internal carotid arteries
Extensive calcifications are visible lining the walls of the cavernous, ophthalmic, carotid canal segments of the right and left internal carotid arteries. These findings represent signs of atherosclerosis. The significance of this finding cannot be determined based on CBCT imaging alone. Referral of the patient to a physician may be warranted.