Reduced salivary flow increases the risk of which oral health issue?

Reduced salivary flow increases the risk of which oral health issue?

• A. Tooth whitening
• B. Enamel maturation problems
• C. Dental caries
• D. Decreased susceptibility to caries

Answer: (C)

Saliva protects teeth by washing away food and sugars, buffering acidic byproducts, supplying minerals for remineralization, and providing antimicrobial factors. When salivary flow is reduced, these protections diminish: acids from bacteria aren’t neutralized as effectively, plaque and sugars linger longer, and there’s less calcium and phosphate available to repair early enamel demineralization. The result is a more acidic, demineralized environment that raises the risk of dental caries. Other options don’t reflect this protective role of saliva: tooth whitening is a cosmetic change, enamel maturation happens during tooth development, and reduced saliva does not decrease caries risk.

Saliva protects teeth by washing away food and sugars, buffering acidic byproducts, supplying minerals for remineralization, and providing antimicrobial factors. When salivary flow is reduced, these protections diminish: acids from bacteria aren’t neutralized as effectively, plaque and sugars linger longer, and there’s less calcium and phosphate available to repair early enamel demineralization. The result is a more acidic, demineralized environment that raises the risk of dental caries. Other options don’t reflect this protective role of saliva: tooth whitening is a cosmetic change, enamel maturation happens during tooth development, and reduced saliva does not decrease caries risk.