試題詳解

4. Irregular dental hygiene and a high sugar diet may lead to tooth decay. Why?
(A) Bacteria consume calcium.
(B) Glucose forms a weak acid when dissolved in saliva.
(C) High concentrations of sugar soften the tooth enamel.
(D) Plaque degrades the tooth's protective mucosal layers.
(E) Lactic acid fermentation is used to generate ATP under anaerobic conditions.