One of the goals in the prevention of caries is to promote natural protective salivary mechanisms.
Protect the oral tissues, and that surrounding the oral cavity by:
Antimicrobial (degrading some bacterial cell walls and preventing growth) and cleansing action
Lubrication
Sugar dilution
Buffering and controlling pH via bicarbonate
Tissue repair
Enamel remineralisation with calcium and phosphate
2. Facilitate speech and mastication by:
Digestion via enzymes
Food prep, enhancing chewing, clearing residues and swallowing
Lubricating oral tissues
Taste enhancement
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