Upper molars in human dentition have

Options

A. Four roots
B. Three roots
C. Two roots
D. Single root

Answer

**Step-by-Step Solution:**

1. **Identify the Types of Teeth in Human Dentition:**
- Humans have four main types of teeth: incisors, canines, premolars, and molars.

2. **Understand the Function of Each Type of Tooth:**
- Incisors are sharp and used for cutting.
- Canines are broader and used for tearing.
- Premolars and molars are broader and primarily used for grinding and chewing food.

3. **Count the Total Number of Teeth:**
- An adult human typically has 32 teeth, which includes:
- 8 incisors
- 4 canines
- 8 premolars
- 12 molars

4. **Examine the Root Structure of Each Tooth Type:**
- Incisors and canines each have one root.
- Upper first premolars and lower molars have two roots.
- Upper molars are specifically noted for having three roots.

5. **Conclude the Answer:**
- Therefore, the upper molars in human dentition have **three roots**.

**Final Answer: Upper molars in human dentition have three roots.**

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