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Region of interest
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Normal sites 46 and 47
The bone at sites 46 and 47 appears normal radiographically, and has a density that is similar to that of the adjacent trabecular bone. There are no contraindications to implant placement at these sites.
1. Widened PDL space of tooth 45
The periapical periodontal ligament space of tooth 45 is slightly widened. This most likely represents a healed post-treatment appearance. No unobturated canals or signs of root fracture are present.
2. Widened PDL space on tooth 44
There is widening of the periodontal ligament space around the buccal aspect of the root apex of the endodontically-treated tooth 44. The existing obturation in this tooth is centrally positioned, but ends slightly short of the radiographic apex. These findings could suggest the presence of persistent low-grade endodontic pathology or fibrous scar tissue.
3. Rarefying osteitis on tooth 36 M+D
Periapical rarefying osteitis is present at the mesial and distal roots of tooth 36, suggesting a failing endodontic treatment. There are no signs of unfilled canals or root fracture.
The left mandibular nerve measures 8.3mm and 7.8mm from the mesial and distal root apices of tooth 36, respectively.
4. Rarefying osteitis at tooth 35
Tooth 35 exhibits periapical rarefying osteitis, which extends apically. The rarefying osteitis is surrounded by sclerotic bone. The bone surrounding the coronal two thirds of the root of the tooth appears normal. This pattern of bone loss is suggestive of a loss of vitality of tooth 35. No signs of a root fracture are present.
5. Small exostosis at the anterior surface of hyoid bone
A small exostosis composed of trabecular bone is present on the anterior left aspect of the body of the hyoid bone. This exostosis is continuous with the underlying bone, and may represent an early osteoma. Periodic radiographic follow-up is recommended to determine whether this represents a static entity or a growing lesion