Question 336 · LDEK · Caries risk assessment and prevention
Indicate the true statements regarding the effects of using chewing gum containing sugar substitutes as an additional hygienic procedure:
1) less than 30% reduction of caries;
2) reduction of the count of cariogenic microorganisms;
3) decrease in the concentration of bicarbonate ions in saliva;
4) increase in salivary lactoperoxidase;
5) increase in the Ca²⁺ concentration of ions in saliva.
The correct answer is:
2) reduction of the count of cariogenic microorganisms;
3) decrease in the concentration of bicarbonate ions in saliva;
4) increase in salivary lactoperoxidase;
5) increase in the Ca²⁺ concentration of ions in saliva.
The correct answer is:
- A. 1,2,3.
- B. 2,3,4.
- C. 1,4,5.
- D. 2,4,5.
- E. 1,3,5.
Hint
Consider how stimulated saliva changes buffer capacity and calcium content, and how much xylitol gum reduced caries in clinical trials.
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