In case of oral TB, the tongue is the most commonly affected site in various forms, such as ulcers, nodule, fissures, plaques, or vesicles.
[journals.lww.com]
Oral TB may occur at any location on the oral mucosa, but the tongue is most commonly affected.
[scielo.org.za]
Other sites include the palate, lips, buccal mucosa, gingiva, palatine tonsil, and floor of the mouth. Salivary glands, tonsils, and uvula are also frequently involved.
[scielo.org.za]