The teeth of the first set that grew during infancy are called
(a) permanent teeth
(b) milk teeth
(c) starting teeth
(d) all of these

Correct Answer: (b) milk teeth

Explanation:

As humans, we have two sets of teeth that erupt during our lifetime – the first set is called milk teeth, primary teeth, temporary teeth, deciduous teeth, or baby teeth and they start erupting when we are 6 months old.