Tooth Decay and Dental Health Quiz

What causes tooth decay by damaging the enamel?

• Abrasive food scratches it

• Acids formed from sugar dissolves it

• Alkaline foods dissolve calcium salts

• Bacteria from food digest it

What is the hardest part of the tooth?

• Dentine

• Bone

• Cement

• Enamel

What is the hardest part of the tooth?

• Dentine

• Bone

• Cement

• Enamel

What is the end product of the digestion of protein?

• Amino acids

• Fatty acids

• Glycerol

• Glucose

When fat is digested, it is broken down into fatty acid and which other component?

• Amino acid

• Glucose

• Glycerol

• Glycogen

Which structures are found in the pulp cavity of a tooth?

• Nerve endings and enamel

• Dentine and enamel

• Nerve endings and blood vessels

• Blood vessels and dentine

Label parts A, B, C and D on the diagram of a section through a molar tooth.

What is plaque? explain why brushing alone is not enough to remove plaque. Which other hygienic practice should a person include in his/her routine to ensure the most effective method for reducing plaque from between teeth.

Explain why eating sugary foods and drinking fizzy drinks can lead to tooth decay.

You have been asked to design a poster to tell children how to take care of their teeth. What advice should you include in the poster?