Dry mouth, or xerostomia, is a state where there is a lack of saliva in the mouth. It is a condition that has multiple causes, and it is sometimes possible to treat it, or at least make the situation more comfortable. Saliva is important to keep the mouth moist and clean teeth. It neutralizes the acids produced by plaque and gets rid of dead cells that accumulate on the gums, cheeks and tongue. Saliva also prevents infection by reducing the number of bacteria and fungi in the mouth. And nutrition, saliva helps digest food by making them soft.
There are some problems that may arise from xerostomia:
1. The risk of gum disease increases when the mouth is dry;
2. The risk for cavities also increases because the saliva limit the growth of bacteria that is part of a clean food debris and plaque;
3. Saliva enhances the ability to drip and swallowing food and in addition, the enzymes in saliva help digest food; xerostomia compromises so food because it reduces the ability to appreciate and digest food ;
4. Have a dry mouth can also make it difficult to wear dentures (dentures and partials) because contact with the gums is painful when they are dry.