Pathology · single question
A 3×3 mm raised lesion on the attached gingiva associated with tooth #8, with a draining sinus tract, is a parulis. It indicates:
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Correct answer: B. A chronic periapical (endodontic) abscess draining through a sinus tract
- A. Incorrect – that is geographic tongue, a dorsal-tongue condition.
- B. Correct – a parulis ('gum boil') is the soft-tissue opening of a sinus tract draining a non-vital tooth's periapical infection; the radiolucency DDx includes periapical granuloma/cyst/abscess.
- C. Incorrect – no minor glands on attached gingiva; wrong location.
- D. Incorrect – generalized marginal inflammation, not a focal draining nodule.