For eating hard food items molar and premolars are used because

Options

A. they are flat
B. they are fixed firmly
C. they are pointed
D. they have less area to press

Answer

### Step-by-Step Solution:

1. **Identify the Types of Teeth**:
- The human mouth contains different types of teeth, including molars, premolars, canines, and incisors. Each type has a specific function.

2. **Understand the Function of Molars and Premolars**:
- Molars and premolars are specifically designed for crushing and grinding food. They are located at the back of the mouth, where they can exert more force.

3. **Examine the Structure of Molars and Premolars**:
- These teeth have a broad and flat surface which allows them to effectively grind down hard food items. Their larger surface area is ideal for this purpose.

4. **Compare with Other Teeth**:
- In contrast, canines and incisors have sharper edges and are designed for cutting and tearing food rather than grinding. This structural difference highlights why molars and premolars are better suited for hard food.

5. **Conclusion**:
- Therefore, molars and premolars are used for eating hard food items because they are specifically structured for crushing and grinding due to their broad, flat surfaces and firm attachment to the gums.