Dry mouth can be caused by various reasons such as fever, stress or a side effect from medicine. Dry mouth is the third most common drug side effect. Dry mouth can also be caused by diseases such as diabetes, depression or a type of rheumatism such as Sjögren’s Syndrome.
Saliva is very important for oral health as it rinses the mouth and prevents acid attacks on the teeth. Aside from this, saliva also protects the mouth from fungal infections and bacteria, as well as lubricating your teeth and mucous membranes.
