Dry mouth is an  uncomfortable condition or a cause of the continuing upset and malaise, it is also unhealthy condition a lot of people may suffer . Fortunately, there are many effective ways to treat this problem.

Saliva plays an important role in maintaining the health of the teeth and mouth, and one of the most important functions:

• cleansing  and moisturizing mouth.
• neutralizing acids resulting from the use moisture devices to add some moisture to the  room air