In a caries-free individual the saliva has_____________?
Correct answer: C. High buffering capacity for acids
- A. low buffering capacity of acids
- B. Medium buffering capacity for acids
- C. High buffering capacity for acids
- D. Independent of buffering capacity for acids
Explanation
High salivary buffering capacity neutralises acids produced in plaque and helps maintain a safer pH around the tooth. A caries-free individual is therefore expected to have highly effective acid buffering.
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