teeth and microbes

teeth and microbes

Multiple Choice

Teeth that are used for tearing food.

• Canines

• Incisors

• Molars

Multiple Choice

A sticky, yellowish layer of bacteria and food particles formed on the teeth.

• Cavities

• Plaque

• Microbes

Multiple Choice

Chisel shaped teeth

• Canine

• Incisors

• Molars

Multiple Choice

What is the function of incisors teeth?

• Tearing the food

• Cutting and biting food

• Cracking the food

• Crushing the food

Multiple Choice

At the age 12 years, all the milk teeth are replaced by ______________.

• Temporary teeth

• Permanent teeth

Multiple Choice

How canines teeth look like?

• Sharp but have flat edges

• Sharp and pointed

• Broad and flat

Multiple Choice

The hardest substance in the human body___________.

• Dentine

• Pulp

• Enemal

Multiple Choice

How many teeth are there in human beings?

• 35

• 32

• 30

• 28

Multiple Choice

tell two parts of teeth .

• crown , neck , root.

• enamel , dentine , pulp

Multiple Choice

We must brush our teeth at least _____ a day.

• once

• thrice

• never

• twice

Multiple Choice

There are ___ molars in each jaw in an adult.

• 3

• 4

• 6

• 8

Multiple Choice

we have ___________ canines

• 3

• 6

• 5

• 4

Multiple Choice

without teeth we will have a problem in

• eating the food

• writing in the book

• walking to the class

Multiple Choice

You must brush and floss your teeth after every meal to prevent gum disease and cavities.

• yes

• no

Fill in the Blanks

Temporary teeth is also called

Multiple Choice

we have _________ incisors

• 5

• 8

• 9

• 12

Multiple Choice

milk teeth start to fall out at the age of

• 3

• 5

• 7

• 6

Multiple Choice

_________ are crushing teeth

• premolars

• canines

• incisors

Multiple Choice

Which type of tooth is the picture representing?

• (a)Premolar

• (b) Molar

• (c) Canine