From Bacteria to Ulcers: A Detailed Look at NUG

From Bacteria to Ulcers: A Detailed Look at NUG

Question. Describe in detail the clinical features, etiology, and histopathology of necrotizing ulcerative gingivitis.

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Answer.

Etiology

• It is caused by fusiform bacilli and by a spirochete known as Borrelia vincentii.
• Mainly, precipitating factors are there that lead to necrotizing ulcerative gingivitis.
• For the precipitating factors in detail

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• Affected gingiva shows inflammation, ulceration, and necrosis.
• Gingival stratified squamous epithelium is replaced by thick fibrinopurulent pseudomembrane.
• Pseudomembrane shows PMNs and necrotic debris.
• In unaffected areas of gingiva, keratinization is absent.
• Underlying connective tissue shows hyperemia and acute inflammatory cells, i.e., PMNs.

NUG treatment