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Case 251871

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Dental implants

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Canaray 251871

1. Defect in wall of right maxillary sinus: biopsy required

The lateral wall in the posterior portion of the right maxillary sinus is dehiscent. A soft tissue lesion appears to have effaced the bone in this region. The superior border of the lesion and the defect were not captured in this scan. The origin of the lesion therefore appears to be either within the osseous structures of the sinus wall or within the retro-antral soft tissue. Regardless, the origin does not appear to be the mucosal lining of the sinus. Based on the unusual radiographic appearance of the entity, a biopsy is indicated to rule out an aggressive soft tissue lesion that is impinging upon the sinus.

Atrophic bone in posterior mandible

The bone in the posterior mandible is atrophic bilaterally. This reduces the bone volume available for implant placement. The edentulous sites in the mandible appear normal otherwise. No intraosseous pathology is present.

2. Retained restorative material at site 37

A small granule of restorative material is retained within the crestal aspect of the alveolar process at site 37. This represents a non-significant incidental finding that will not impede implant placement.

3. Unfilled lingual canal of tooth 44

Rarefying osteitis is present in the periapical region of the endodontically-treated tooth 44. The obturation in the tooth is buccally positioned and an unfilled lingual canal is present. This appearance is suggestive of persistent endodontic pathology due to the incomplete obturation of tooth 44. The remaining periradicular bone appears normal. There are no signs of a root fracture.

Periodontal bone loss + multiple caries on remaining mandibular teeth

Mild to moderate periodontal bone loss is present on the remaining mandibular teeth. Carious lesions are present on teeth 32D, 33D, and 42D. A recurrent carious lesion may be present on tooth 43D. Due to their intended extraction, these represent non-significant incidental findings.