Preventive Dentistry and Nutrition

Diet and Nutrition in Oral Health Practice Questions

20 free Diet and Nutrition in Oral Health practice questions for the CDA, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.

Start Practice Quiz

Questions

All Diet and Nutrition in Oral Health questions

20 questions
  1. Q1. How does frequent consumption of sugary snacks impact oral health?
  2. Q2. Which dietary factor has the greatest influence on caries formation?
  3. Q3. Which type of food is most protective against caries due to its ability to stimulate saliva?
  4. Q4. Why are acidic beverages such as soda harmful to enamel?
  5. Q5. Which vitamin deficiency is associated with delayed wound healing in the oral cavity?
  6. Q6. Which nutrient is essential for proper development and mineralisation of teeth?
  7. Q7. What effect does frequent consumption of sticky carbohydrates have on oral health?
  8. Q8. What is the primary dental concern with sipping sugary beverages over long periods?
  9. Q9. Which nutrient deficiency may contribute to angular cheilitis?
  10. Q10. How does adequate water intake support oral health?
  11. Q11. Which group of foods is most likely to cause dental erosion?
  12. Q12. What is a benefit of xylitol-containing gum?
  13. Q13. Why is snacking on fruit juice worse for teeth than eating whole fruit?
  14. Q14. How does a diet low in calcium affect oral health?
  15. Q15. Which eating habit is most protective against caries?
  16. Q16. Which nutrient deficiency is associated with glossitis (inflamed tongue)?
  17. Q17. Which type of carbohydrate poses the highest caries risk?
  18. Q18. How does frequent vomiting in conditions such as bulimia affect teeth?
  19. Q19. Which snack is least likely to contribute to dental caries?
  20. Q20. Which dietary advice is appropriate for reducing caries risk?