Intitation of dental caries depends upon_______________?
Correct answer: D. Localization of acid over tooth surface
- A. Formation of large amount of acid
- B. Availability of carbohydrate food
- C. Viscosity of saliva
- D. Localization of acid over tooth surface
Explanation
Caries initiation requires acid to remain concentrated at a specific tooth surface long enough to lower the local pH and dissolve mineral. Carbohydrate availability supports acid production, but acid localization is the key initiating factor listed here.
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