Bacterial Lesions of the Oral Mucosa.

Nonodontogenic bacterial infections of the oral cavity are not a common finding in the United States. Nevertheless, there has been an increase in prevalence of certain bacterial sexually transmitted diseases, such as syphilis and gonorrhea, and conditions such as tuberculosis still pose a serious threat to certain segments of the population. Finally, given the uncommon nature and pathophysiology of these diseases, diagnosis is often delayed, resulting in more clinically significant disease and potential contamination of individuals. Thus, it is prudent that clinicians be familiar with these uncommon but potentially serious infectious diseases, so treatment can be instituted promptly.