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Referral details

Case 236392

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Referral category

Dental implants

Region of interest

13, 14, 26

Referral reason

[Only visible to logged-in users]

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Canaray 236392

1. Oro-antral defects at sites 26/27

A large oro-antral defect is evident along the crestal aspect of the alveolar process at sites 26/27. Small defects are also observed along the lateral wall of the left maxillary sinus. These defects are presently filled with soft tissue, and are likely post-surgical in origin.

2. Partially healed sinus lift in right maxillary sinus

The right maxillary sinus exhibits a history of sinus lift surgery apical to sites 14 and 15. The bone grafting materials in the apical portion of these sites exhibit a heterogeneous distribution. The remainder of the bone graft has healed normally and osseointegrated to the underlying sinus floor. The overall density of the graft material is slightly higher than that of the adjacent trabecular bone.

The bone at sites 13 and 14 appears normal radiographically. Note that the bone volume available for implant placement at these sites is significantly limited due to atrophy.

3. Exposed threads on implant 15 + implant extends through sinus floor

The coronal half of the implant placed at site 15 is not embedded in bone. The distal surface of the apical half and the palatal surface of the apical third of the implant placed at site 15 is positioned in the right maxillary sinus. No significant antral inflammation is present. The remainder of the implant appears normally osseointegrated.

4. Thin or absent buccal bone over implant 11 + implant abuts incisive canal

No bone is radiographically visible overlying the distobuccal surface of the coronal two-thirds of the implant placed at site 11. The palatal aspect of the apical third of the implant abuts the incisive canal. The remainder of the implant appears normally osseointegrated.

5. Exposed threads on implant 22 + apex extends through sinus floor

No bone is radiographically visible overlying the coronal two-thirds of the buccal surface of the implant placed at site 22. The coronal half of the palatal surface of the implant is also exposed. The distal aspect of the apex of the implant extends slightly beyond the floor of the left maxillary sinus. The remainder of the implant appears normally osseointegrated.

6. Healed sinus lift in left maxillary sinus

A history of sinus lift surgery is present within the left maxillary sinus, apical to site 24. The bone grafting materials have healed normally and appear fully osseointegrated to the sinus floor.

The apex of the implant placed at site 24 extends beyond the floor of the maxillary sinus. No significant antral inflammation is present, which suggests this is a non-significant incidental finding. The remainder of the implant appears osseointegrated.

Sagittal views of the right maxillary sinus

These sagittal cross-sectional images demonstrate the partially healed sinus lift that is present in the right maxillary sinus. There are no significant impediments for a second sinus lift procedure.

Sagittal views of the left maxillary sinus: No impediment for sinus lift surgery

These sagittal cross-sectional images demonstrate the healed sinus lift that is present within the left maxillary sinus. There are no significant impediments for a second sinus lift procedure.

7. Calcifications in the parapharyngeal region

Amorphous radiopaque calcifications are present in the parapharyngeal region bilaterally. These entities do not appear to have had any effect on the surrounding structures, and may represent dystrophic calcifications or tonsilloliths. Regardless, no treatment is required.

8. Pseudoarthrosis in left mandible

The left mandibular ramus is partially captured in this scan. A pseudoarthrosis appears to be present. Multiple non-integrated bone fragments are present in the region of the pseudoarthrosis.