(a) Explain why the pH in a person's mouth becomes lower after each meal.

(b) What damage could be caused while the pH is low?

(c) How could the person change his eating habits to lessen the chances of suffering from tooth decay?

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Solution

(a) The ph in a person's mouth becomes lower after each meal because bacteria present in the mouth break down the sugar to form acids.

(b) If the pH is low, the tooth starts decaying.

(c) A person can lessen the chances of suffering from tooth decay by changing his eating habits such as eating less sugary food like ice-cream candies sweet etc.

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(a) Explain why the pH in a person's mouth becomes lower after each meal. (b) What damage could be caused while the pH is low? (c) How could the person change his eating habits to lessen the chances of suffering from tooth decay?

(a) Explain why the pH in a person's mouth becomes lower after each meal.

(b) What damage could be caused while the pH is low?

(c) How could the person change his eating habits to lessen the chances of suffering from tooth decay?