A dry mouth increases the risk of decay

People with a lower salivary secretion, which are characterized by having a “dry mouth”, are more likely to have dental caries compared to those with a higher salivary flow.

Saliva plays a natural defensive role against caries, since it dilutes and eliminates sugars and keeps the pH of the mouth constant.

Thanks to its alkaline PH and its buffer capacity, it drags the remains of food that remain in the mouth, neutralizes the acids produced by the bacterial plaque and provides the teeth with the necessary calcium and phosphate in a process called demineralization.

In addition, saliva acts as a reservoir for fluoride, which helps reduce the occurrence of caries, is responsible for helping the process of chewing and digestion of food, and also protects the inner surface of the mouth and teeth.

Age, sex, number of teeth, dehydration, oral breathing or psychological aspects such as stress can reduce the flow of salivary glands.

 

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