At what age do the milk teeth fall off in children?

Explanation

**Step-by-Step Solution:**

1. **Understanding Milk Teeth**: Milk teeth, also known as baby teeth, deciduous teeth, or primary teeth, are the first set of teeth that children develop.

2. **Number of Milk Teeth**: Children typically have a total of 20 milk teeth.

3. **Age of Falling Off**: Milk teeth usually start to fall off around the age of 6 years.

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