Practice Quiz

ADA NBDHE Dental Hygienist

Category - Scientific Basis for Dental Hygiene Practice

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What is an energy source for the growth and development of teeth, as well as for oral cariogenic bacteria?
  1. Sugar
  2. Starch
  3. Carbohydrates
  4. Soluble fiber
Explanation
Answer: C - Carbohydrates are an energy source for the growth and development of teeth, as well as for oral cariogenic bacteria. The organic acids produced by acidogenic bacteria such as Streptococcus mutans are liberated into the interface between the bacterial plaque and surface enamel. If the pH of acid falls below 5.5, decalcification and demineralization begins.
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