Medically reviewed by Edmund Khoo, DDS Dry mouth, or xerostomia, occurs when there is not enough saliva (or "spit") to lubricate the tongue, gums, and inside of the cheeks. Saliva is critical for ...

The most common forms of combating dry mouth are the use of saliva substitutes and stimulation of the salivary glands by sucking lozenges or chewing gum ... which was published in the journal Oral ...