What are the causes of tooth decay? How it can be prevented?

What are the causes of tooth decay? How it can be prevented? 
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1 Answer

Answer :

Causes: -

i) Main cause is sugar coating left by sugary food in teeth.

ii) These sugars convert into acid by bacteria.

iii) The acid damages the enamel and infects the dentine and pulp cavity.

iv) Sugary solution makes a hard layer with the passage of time and difficult

to remove. This scum is called plaque.

Prevention: -

i) In order to avoid plaque tooth should be cleaned daily.

ii) We should eat less sugar and sticky foods.

iii) We should clean our teeth after eating sugary or sticky food.

iv) Balanced died should be taken. 
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