National Dental Examining Board of Canada (NDEB) Practice Exam

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Differential diagnosis for gingival enlargement should include:

  1. Monocytic leukemia

  2. Vitamin C deficiency

  3. Calcium deficiency

  4. Hypothyroidism

The correct answer is: Monocytic leukemia

Differential diagnosis for gingival enlargement should include monocytic leukemia. Gingival enlargement is a common feature of monocytic leukemia and can be one of the first symptoms to appear. The other options, while they may result in oral health issues, are not specifically linked to gingival enlargement and should not be prioritized in the differential diagnosis. Vitamin C deficiency and calcium deficiency are more likely to result in gum disease or bleeding gums, while hypothyroidism can lead to gum inflammation and dry mouth. However, they are not known to cause significant gingival enlargement like monocytic leukemia does.