What role does saliva play in healthy aging?

Saliva protects teeth and mucous membranes, neutralizes acids, supplies minerals for remineralization and makes chewing, swallowing and speaking easier.

It also contains various antimicrobial and immunologically active components.

Dry mouth is common, particularly in older people, often as a result of medications or illnesses. It increases the risk of caries, mucosal problems, fungal infections and a reduced quality of life.