Your patient's dental image reveals a distinct radiopaque area below the apex of tooth #18,which is a nonvital tooth and has had chronic pulpitis.Your patient most likely has

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Condensing osteitis is a well-defined radiopacity that is seen below the apex of a nonvital tooth with a history of a long-standing pulpitis.A periodontal abscess is a purulent inflammation within the periodontal tissues.Sclerotic bone is a well-defined radiopacity that is seen below the apices of vital,noncarious teeth.With an acute periapical abscess,no changes may be evident on the dental image.A chronic periapical abscess appears as a round or ovoid,apical radiolucency with poorly defined margins.

Your Patient's Dental Image Reveals a Distinct Radiopaque Area Below