1. Name and label the hardest part of the teeth in the picture below.
a) B: Enamel
b) C: Root
c) A: Enamel
d) B: Dentin
Answer: c) Enamel is the hardest outer layer of the tooth that protects it from decay. It is the visible white part of the tooth and provides a strong protective covering.
2. Identify the type of teeth shown in the picture. It helps us bite into our food.
a) Incisors
b) Canines
c) Premolars
d) Molars
Answer: a) The picture shows incisors, which are the type of teeth that help us bite into our food.
3. What should you limit in your diet to prevent tooth decay?
a) 
b) 
c) 
d) 
Answer: b) Sugary foods can contribute to the growth of bacteria in the mouth, which produces acids that can damage the teeth and lead to decay.
4. Match the following teeth with their correct function.
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Column I
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Column II
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1. Molars
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A) 8 in number, help us crush and grind our food.
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2. Canines
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B) 12 in number, help us crush and grind our food.
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3. Premolars
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C) 4 in number, help us tear our food.
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a) 1:C, 2:A, 3:B
b) 1:A, 2:C, 3:B
c) 1:C, 2:B, 3:A
d) 1:B, 2:C, 3:A
Answer: d) Molars: 12 in number, helps us crush and grind our food.
Canines: 4 in number, help us tear our food.
Premolars: 8 in number, help us crush and grind our food.
5. Ollie's brother is approximately 5 years and 11 months old. What is the probable dental change occurring at this age?
a) The brother is developing permanent molars.
b) The brother is experiencing tooth decay.
c) The brother is getting his first set of baby teeth.
d) The brother is losing his baby teeth to allow space for permanent teeth.
Answer: d) At around 6 years of age, children often start to lose their baby teeth as part of the natural tooth development process. The baby/temporary teeth begin to loosen and fall out to make way for permanent teeth.
