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Punched out, crater-like depressions at the crest of the gingiva

 # Punched out, crater-like depressions at the crest of the gingiva, covered by gray pseudomembranous slough, which is demarcated from the rest of the
gingiva by linear erythema, are characteristic of:
A. Desquamative gingivitis
B. Erythema multiforme
C. Lichen planus
D. Vincent’s stomatitis



The correct answer is D. Vincent's stomatitis.

Vincent's stomatitis is also known as ANUG/Vincent's infection/ Trench mouth/ Fetid stomatitis/ Putrid stomatitis.

It is characterized by punched out, crater like depressions at the crest of the interdental papillae that subsequently extend to the marginal gingiva and rarely to the attached gingiva and oral mucosa. 

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