Oral plaque consists of which microorganisms?

Options

A. Fungus
B. Virus
C. Microbes
D. Bacteria

Explanation

**Step-by-Step Solution:**

1. **Understanding Oral Plaque**: Oral plaque is defined as a sticky film that accumulates around our teeth. This film is primarily made up of various microorganisms.

2. **Identifying Microorganisms**: Microorganisms are tiny living organisms that can only be seen under a microscope. They include bacteria, viruses, fungi, and other microbes.

3. **Focusing on Bacteria**: Among the different types of microorganisms, bacteria are specifically responsible for the formation of oral plaque. They thrive in the mouth and can form a biofilm on the teeth.

4. **Effects of Bacteria**: The bacteria present in oral plaque produce acids that can damage the enamel of the teeth, leading to cavities and other dental issues.

5. **Conclusion**: Therefore, the correct answer to the question "Oral plaque consists of which microorganisms?" is bacteria.

**Final Answer**: Oral plaque consists of bacteria.

---