Expansile and well-demarcated radiolucency involving teeth 44 & 46

A 53 y/o female presented with an expansile and well-demarcated radiolucency involving teeth 44 & 46 of 18 months’ duration. The radiograph indicates a partially corticated and otherwise well-defined unilocular radiolucency with a second, more radiolucent destruction in the superior area between teeth 45 & 46. The latter area corresponded to buccal and lingual bone perforation. Teeth 44 & 46 were vital. Clinically, the lesion is described to be around 3.5-4 cm in size. Can you make diagnosis?

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