Radiology · single question
On a periapical radiograph, a well-defined radiolucency seen at the midline between the maxillary central incisor roots, sometimes mistaken for pathology, frequently represents:
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Correct answer: B. The incisive (nasopalatine) foramen — a normal anatomic landmark
The incisive foramen (nasopalatine canal) commonly projects as a well-circumscribed radiolucency between/near the roots of the maxillary central incisors and is a frequent normal-anatomy mimic of periapical pathology — correlating with clinical pulp vitality testing helps avoid unnecessary treatment of a healthy tooth.