Dry Mouth (Xerostomia)
Xerostomia
Xerostomia is also known as dry mouth. It happens when there is not the right amount of saliva in your mouth. Saliva is also called spit. Some people have no spit at all. Spit makes it easier to chew and swallow your food. It also helps to break down food. It may help you avoid mouth disease. It protects your teeth from decay. Xerostomia is not an illness, but a sign of some other problem.
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