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

AGD - Self-Instruction Exercise No. 418 - Oral Medicine, Oral Diagnosis, Oral Pathology
Medication use and medical history of 155 patients with oral lichenoid lesions: a retrospective study

Self-Instruction Exercise No. 418
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Exercise No. 418
Subject Code: 730
Oral Medicine, Oral Diagnosis, Oral Pathology

The 15 questions for this exercise are based on the article Medication use and medical history of 155 patients with oral lichenoid lesions: a retrospective study on pages 40 - 45.This exercise was developed by Jean J.Carlson, DDS, MAGD, in association with the General Dentistry Self-Instruction committee.

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

  • identify the characteristics of oral lichen planus (OLP) and oral lichenoid lesions (OLLs);
  • understand the medical conditions associated with OLP and OLLs; and
  • recognize medications that may act as complicating factors in lichenoid disease.

Answers for this exercise must be received by February 28, 2019.

  1. All of the following are possible etiologic factors of OLP/OLLs except one. Which is the exception?

    A. medications
    B. periodontal disease
    C. stress
    D. oral trauma

  2. The mean age of patients in the study was _____ years.

    A. 62.1
    B. 62.6
    C. 63.1
    D. 63.6

  3. Bilateral presentation of lesions was reported in ____ patients, while ______ patients had unilateral lesions.

    A. 128; 8
    B. 116; 6
    C. 108; 4
    D. 96; 2

  4. Of the study participants tested with direct immunofluorescence, ____% were found to be positive for fibrinogen deposition at the basement membrane.

    A. 96.9
    B. 90.9
    C. 84.9
    D. 78.9

  5. About half of the study participants related a history of ___________.

    A. thyroid disease
    B. hypertension
    C. autoimmune disorder
    D. diabetes

  6. Autoimmune disorders were reported in ___% of patients in the study.

    A. 11
    B. 17
    C. 21
    D. 27

  7. Statistical analysis of demographic data was performed using the _______ test.

    A. 1-way ANOVA
    B. Fisher exact
    C. Kruskal-Wallis
    D. Pearson chi-square

  8. Lichen planus of the skin is a relatively common disorder. Oral lichenoid disease is commonly seen in the mucosa even in the absence of skin lesions.

    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.

  9. Difficulty in differentiating true OLP from OLLs is due to all of the following factors except one. Which is the exception?

    A. clinical presentation variations
    B. inadequate sample size
    C. inconsistent diagnostic criteria
    D. uncertain medication use timeline

  10. OLP may decrease in severity with advancing age or progression of disease. OLLs are usually symmetric.

    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. OLP/OLLs exhibit a bandlike infiltrate of lymphocytes in the __________.

    A. basal layer
    B. basement membrane
    C. lamina propria
    D. spiral lamina

  12. A history of thyroid disease was found to be present in ____% of patients in the study.

    A. 33
    B. 40
    C. 43
    D. 50

  13. Hepatitis C patients with an HLA-____ presentation are generally more affected with OLP than other groups.

    A. DP
    B. DQ
    C. DM
    D. DR

  14. Liver disease was reported by ____% of patients in the study.

    A. 5
    B. 10
    C. 15
    D. 20

  15. Grinspan syndrome includes all of the following conditions except one. Which is the exception?

    A. OLP
    B. diabetes mellitus
    C. hypercholesterolemia
    D. hypertension


Evaluation

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


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