Tuberculous Ulcer of Oral cavity is usually
**Core Concept**
The question tests the understanding of **tuberculous ulcers** in the oral cavity, which are a form of **extrapulmonary tuberculosis**. This condition is caused by **Mycobacterium tuberculosis** and can manifest in various parts of the body, including the oral mucosa.
**Why the Correct Answer is Right**
Since the correct answer is not provided, let's discuss the general characteristics of tuberculous ulcers in the oral cavity. These ulcers are typically painful, irregular, and have **undermined edges**. They can occur on the **tongue**, **gingiva**, or **buccal mucosa**. The presence of **caseation necrosis** and **acid-fast bacilli** on histopathological examination is diagnostic.
**Why Each Wrong Option is Incorrect**
**Option A:** Without the specific details of option A, we cannot provide a direct explanation for its incorrectness.
**Option B:** Similarly, option B's incorrectness cannot be explained without more context.
**Option C:** This option is also unclear without specific details.
**Option D:** The same applies to option D.
**Clinical Pearl / High-Yield Fact**
A key point to remember is that **tuberculous ulcers** in the oral cavity can be a sign of **disseminated tuberculosis**, emphasizing the need for a thorough systemic evaluation.
**Correct Answer:** Correct Answer: D. Painful