Diastema is associated with

Options

A. Organ of Corti
B. Absence of certain teeth
C. Retinal cells
D. Presence of teeth

Answer

**Step-by-Step Solution:**

1. **Understanding Diastema**: Diastema refers to a gap or space between two or more teeth. It is most commonly observed between the two front teeth in the upper jaw.

2. **Identifying Characteristics**: The key characteristic of diastema is that it represents an area of extra space where teeth are absent. This means that in the region of the diastema, there are no teeth present.

3. **Analyzing the Options**:
- Organ of Corti: This is related to hearing and not teeth.
- Absence of certain teeth: This directly relates to the definition of diastema, as it is characterized by the lack of teeth in the gap.
- Retinal cells: These are related to vision and not teeth.
- Presence of teeth: This contradicts the definition of diastema, which involves a gap where teeth are absent.

4. **Conclusion**: Based on the analysis, the correct answer is that diastema is associated with the absence of certain teeth.

**Final Answer**: Diastema is associated with the absence of certain teeth (Option 2).

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