PMC9294721_01
Unilateral periodontal ligament widening in the cropped view of OPG. Loss of teeth around the fallen tooth and a mass in the form of an erythematous nodules
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F1
A unilateral periodontal ligament widening was observed distal to the maxillary second premolar (Fig. 1).
Perforation of the buccal and lingual cortical plates on cropped view of cone-beam computed tomography scan
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F2
The lesion had destroyed the buccal plate (Fig. 2).
H&E-stained section showing (A) necrotic bone trabeculae enclosing large colonies of actino-mycotic organism (x40). (B) Characteristic feature of an actinomycotic colony with basophilic core and eosinophilic peripheral portion (x40). (C) Polymorphonuclear leucocytes surrounding actinomycotic colonies (x400). (D) Necrotic thickened bone trabeculae with sclerosis and prominent reversal lines that exhibit loss of osteocytes from their lacunae (x100)
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F3
Pathologic analysis of hematoxylin/eosin-stained sections (Fig. 3) revealed fragments of necrotic bone trabeculae enclosing large colonies of actinomycotic organism.