(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 chances of suffering from tooth decay?
(a) The pH in a person’s mouth becomes lower after each meal because of the acid formed due to the activity of bacteria. After each meal, the sugar in food items will break down to corresponding acids by the action of bacteria, as acidity increases, the pH decreases.
(b) When the pH in the mouth is low, tooth decay may occur due to the increased acidity in mouth.
(c) In order to suffer less from tooth decay, follow the following steps:
- One should always brush their teeth twice a day after having food.
- Before sleeping, brushing must be done as the chances of bacterial action is more at the time of sleep.
- One should also avoid sweet items like chocolates and ice creams.
- One should also take care of their dental hygiene and go for regular check up to the dentist.
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