According to some experts, people with an impaired secretion saliva, which is characterized by the "dry mouth" have an increased risk of dental caries than those with higher salivary flow. How important role meets the saliva in your mouth? Saliva plays an important role in natural defense against caries, it dilutes and removes sugars and keeps the PH of the mouth. One dentist said that thanks to its alkaline pH, dragging the remains of food left in the mouth, neutralizes acids produced by plaque and contributes to the teeth the calcium and phosphate needed in a process known as remineralization.
"In addition, saliva acts as a reservoir for fluoride helping to reduce tooth decay, is responsible for help the process of chewing and digestion of food and also protects the inner surface of the mouth and teeth, "he added.
Age, sex, number of teeth, dehydration, mouth breathing or psychological issues such as stress can reduce the flow of the salivary glands.
this variation also often the result of "systemic diseases that cause progressive destruction of the salivary glands, most notably dementia or taking certain medications," he said.
