Multiple choice

Which of the following Laboratory test is for the diagnosis of ANUG?

  1. Dark field

  2. Tissue culture

  3. Phase contrast

  4. ELISA
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The defined diagnosis of ANUG can be established mainly on the basis of clinical findings. Since,  it is a fusospirochetal infection, dark field microscopy can also be used to detect spirochetes. However, dark field microscopy is unsuitable for examining oral lesions as many nonpathogenic treponemes found in the mouth may be confused with the causative agents. Tissue culture and subsequent tissue smear can also be used to confirm ANUG.

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