What types of teeth are needed for crushing and grinding?

Molars are needed for crushing and grinding of food.

Explanation:

The four different types of teeth in the mouth of a human are-

1. Incisors

2. Canines

3. Premolars

4. Molars

Molars are largest teeth and they have a flat biting surface. They are present at the back of the mouth. The main function of the molars is to chew, grind and crush the food so that it is easier to swallow.

Therefore, the teeth needed for crushing and grinding the teeth are Molars.

explanation:

1)drink water

2)try concentrating on what u r doing to distract urself from the headache and manipulate ur brain

3)go to sleep.its an easier yet time consuming way

4) massage ur temple and head