PMC7493254_01
Extraoral photograph.
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On palpation, the swelling was hard in consistency, non-tender, and immobile, with signs of paresthesia on the affected side (Figure 1).
Intraoral photograph showing expansion of the buccal cortical plate on the right side.
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The mucosa over the buccal cortical plate showed no signs of crackling (Figure 2).
Intraoral photograph showing no expansion of the buccal cortical plate on the contralateral side.
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The buccal cortical plate on the other side did not show any evidence of expansion (Figure 3).
Panoramic radiograph showing mixed radiopaque and radiolucent lesion on the right side of the mandible.
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On examination of the panoramic radiograph of the patient (Figure 4), loss of trabecular bone pattern (step-ladder pattern) with mixed radiolucent and radiopaque lesions were observed on the right side of the mandible accompanied by obliteration of the mandibular canal.
Intraoral periapical radiograph showing ground glass appearance.
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An intraoral periapical radiograph (Figure 5) showed typical "ground-glass appearance" of the trabecular bone with generalized loss of the lamina dura and narrowing of the periodontal ligament space.
Expansion of the buccal cortical plate seen on occlusal radiograph.
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Occlusal radiographs revealed expansion of the buccal cortical plate (Figure 6) with mild expansion of the lingual cortical plate in the right second and third molar regions.
Histological picture shows trabecula of bone interspersed with a fibrous stroma
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Detailed analysis under high magnification revealed the presence of bone trabaculae with entrapped osteocytes and osteoblastic lining, which were suggestive of FD (Figures 7 and 8).
High-power magnification shows trabecula of bone with entrapped osteocytes and osteoblastic lining.
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Detailed analysis under high magnification revealed the presence of bone trabaculae with entrapped osteocytes and osteoblastic lining, which were suggestive of FD (Figures 7 and 8).