Development of chewing

Question 1

What are the stages of chewing

Answer 1

Phasic Bite
Mouthing
Vertical Chewing
Rotary Chewing

Question 2

How many stages of the development of chewing are there?

Answer 2

4

Question 3

Describe the Phasic Bite stage

Answer 3

The Phasic Bite stage occurs around 0-3 months. It causes the mouth to open and close then the gums are touched. There is also an upward and downward movement of the jaw when the finger is placed on the gum ridge. This stage prepares the mouth for chewing

Question 4

When does the Phasic Bite occur

Answer 4

0-3 months

Question 5

Describe the Mouthing Stage

Answer 5

Mouthing is a useful pre-chewing experience for babies - it can be seen when they put their fingers or toys into their mouths

Question 6

Describe the Vertical Chewing stage

Answer 6

The Vertical Chewing stage occurs around 6 months. It us characterised with vertical up+down jaw movements. Tongue initially moves up and down and can deal with ‘mush’ like textures of food. The tongue begins to move independently from the jaw around 7-9 months and can more sideways. The upper lip also becomes more skilled in removing food from the spoon

Question 7

When does the tongue become independent from the jaw

Answer 7

around 7-9 months

Question 8

Describe the Rotary Chewing Stage

Answer 8

The Rotary Chewing stage occurs around 18-30 months. Uses rotary jaw movements. It occurs around 18-30 months. It is considered ‘true’ chewing

Question 9

When is chewing established

Answer 9

Around 18-30 months