Starting December 1, 2018, the Self-Instruction program will be exclusively available online. We will still publish Self-Instruction (S-I) exercises at the end of every corresponding General Dentistry article, but now you can pay online, test online, and receive your continuing education (CE) verification online. Earning CE has never been easier. 

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If you have any questions, or if you are unsure of your enrollment status, please call the Manager, Examinations and Self-Instruction, toll-free at 888.243.3368, ext. 4336.

Participants must answer at least 12 of 15 questions correctly (80%) to earn CE credit.

AGD - Self-Instruction Exercise No. 412 - Health and Nutrition
Nutrition for oral health and oral manifestations of poor nutrition and unhealthy habits

Self-Instruction Exercise No. 412
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Exercise No. 412
Subject Code: 150
Health and Nutrition

The 15 questions for this exercise are based on the article Nutrition for oral health and oral manifestations of poor nutrition and unhealthy habits on pages 36-43. This exercise was developed by Riki Gottlieb, DMD, MS, FAGD, in association with the General Dentistry Self-Instruction committee.

Reading the article and successfully completing this exercise will enable you to:

  • review common nutrients and minerals in the context of oral health;
  • understand the effect of lack of nutrients on oral structures; and
  • consider the connection between nutritional deficiencies and systemic diseases.

Answers for this exercise must be received by October 31, 2018.

  1. All of the following nutritional deficiencies are particularly relevant to the dentist except one. Which is the exception?

    A. sodium
    B. folate
    C. calcium
    D. vitamin A

  2. Folate is a critical component of certain biochemical reactions necessary to synthesize __________.

    A. defoliribonucleic acid
    B. deoxyribonucleic acid
    C. ribosomes
    D. mitochondria

  3. The recommended daily dose of folic acid for all women of childbearing age is ______.

    A. 0.4-0.8 g
    B. 4.0-8.0 g
    C. 0.4-0.8 mg
    D. 4.0-8.0 mgs

  4. Deficiencies in vitamins B2, B3, B6, and B12 will typically manifest in the oral cavity as stomatitis, glossitis, and ________.

    A. petechiae
    B. candidiasis
    C. eccymoses
    D. ulcers

  5. ________ constitutes the majority of the protein portion of teeth and bones.

    A. Actin
    B. Elastin
    C. Fibronectin
    D. Collagen

  6. Inadequate intake of vitamin C will eventually manifest as ________.

    A. scurvy
    B. rickets
    C. beriberi
    D. pellagra

  7. ________ contain(s) high vitamin C content.

    A. Peas
    B. Cauliflower
    C. Eggs
    D. Salmon

  8. Vitamin A deficiency may cause all of the following oral manifestations except one. Which is the exception?

    A. tooth brittleness
    B. salivary gland degeneration
    C. increased risk of caries
    D. incomplete tooth calcification

  9. A deficiency in vitamin D is associated with enamel _______.

    A. fluorosis
    B. dens invaginatus
    C. attrition
    D. hypoplasia

  10. Hydroxyapatite is composed of calcium and phosphorus minerals. Hydroxyapatite is a critical component of enamel and is not found in dentin.

    A. Both statements are true.
    B. The first statement is true; the second is false.
    C. The first statement is false; the second is true.
    D. Both statements are false.

  11. The American Academy of Pediatrics recommends that all breastfed infants receive a supplemental ___ IU of vitamin D per day.

    A. 100
    B. 200
    C. 300
    D. 400

  12. ________ catalyzes the incorporation of calcium and phosphate into enamel.

    A. Aluminum oxide
    B. Fluoride
    C. Sodium
    D. Triclosan

  13. Cariogenicity is offset in fruits with increased _______ content.

    A. water
    B. carbohydrate
    C. sodium
    D. fiber

  14. Poorly controlled diabetes is defined as hemoglobin A1c > __.

    A. 3
    B. 5
    C. 7
    D. 9

  15. Squamous cell carcinoma accounts for about __% of all oral cancers.

    A. 60
    B. 70
    C. 80
    D. 90


Please respond to the statements below, using the following scale:
1 Poor; 2 Below average; 3 Average; 4 Above average; 5 Excellent

Practicality of the content 1 2 3 4 5
Benefit to your clinical practice 1 2 3 4 5
Quality of illustrations 1 2 3 4 5
Clarity of objectives 1 2 3 4 5
Clarity of exercise questions 1 2 3 4 5
Relevance of exercise questions 1 2 3 4 5
Did this exercise achieve its objectives? Yes No
Did this article present new information? Yes No
How much time did it take you to complete this exercise? mins