Tuberculous ulcer of tongue with oral complications of oral antituberculosis therapy.

Tuberculosis (TB) is an infectious disease affecting humans of all ages in all parts of the world. The dentist plays an important role in the identification and control of this condition by early recognition of oral lesions that may precede the detection of the pulmonary form. Occurrence of increased incidence of mycobacterial infections as a part of the spectrum of AIDS only emphasizes the importance of early diagnosis.