Which elements in saliva protect against tooth decay?
A)Salivary a-amylase and ptyalin
B)Secretin and fluoroxidin
C)Endogenous enamelin and salivary ß-amylase
D)Exogenous fluoride and a pH of 7.4

Question

Quizplus · Accepted Answer

The bicarbonate concentration of saliva sustains a pH of about 7.4, which neutralizes bacterial acids and prevents tooth decay. Exogenous fluoride (e.g., fluoride in drinking water) is absorbed and then secreted in the saliva, providing additional protection against tooth decay.

Which Elements in Saliva Protect Against Tooth Decay