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Saliva does more than keep the mouth wet.
- It helps digest food
- It protects teeth from decay
- It prevents infection by controlling bacteria and fungi in the mouth
- It makes it possible for you to chew and swallow
Without enough saliva you can develop tooth decay or other
infections in the mouth. You also might not get the needed nutrients
if you cannot chew and swallow certain foods.
Saliva acts in the mouth like oil does in an engine. Tongue and
lips movements are not smooth without enough saliva.
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