Do we need keratinized mucosa for a healthy peri-implant soft tissue?

Self-Instruction Exercise No. 390
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Exercise No. 390
Subject Code: 492
Soft Tissue Surgery

The 15 questions for this exercise are based on the article Do we need keratinized mucosa for a healthy peri-implant soft tissue? on pages 51-55. This exercise was developed by Robert Alexander Busto, DMD, MBA, FAGD, in association with the General Dentistry Self-Instruction committee.

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

  • review indicators of peri-implant soft tissue health;
  • understand the role of keratinized mucosa (KM) in peri-implant soft tissue health; and
  • develop a clinical decision matrix for the treatment of peri-implant soft tissues.

Answers for this exercise must be received by June 30, 2017.
  1. All of the following were used to assess peri-implant soft tissue health except one. Which is the exception?

    A. probing depth
    B. gingival recession
    C. width of keratinized mucosa
    D. radiographs

  2. Patients who had been given antibiotics at any point in the preceding ________ weeks were excluded from the study.

    A. 12
    B. 10
    C. 8
    D. 6

  3. A probe was inserted ____ mm deep into the gingival sulcus around the implant to assess modified bleeding index (MBI).

    A. 1
    B. 2
    C. 3
    D. 4

  4. How many points were probed around the implants to record probing depths?

    A. 1
    B. 2
    C. 4
    D. 6

  5. All of the following points were probed to assess the MBI except one. Which is the exception?

    A. midbuccal
    B. midlingual
    C. mesiobuccal
    D. mesiolingual

  6. WKM is the distance measured from the _________ to the __________.

    A. gingival margin; mucogingival junction
    B. pocket base; gingival margin
    C. implant surface; buccal gingival surface
    D. papilla base; papilla tip

  7. The study included _________ implants in _______ patients.

    A. 110; 36
    B. 160; 54
    C. 210; 72
    D. 260; 90

  8. The results showed that the greater the WKM, the lower the values of the measured clinical parameters. The Pearson correlation test revealed a significant association between probing depth and age.

    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. Patients using a ________ brushing technique had the narrowest WKM.

    A. vibratory
    B. circular
    C. rolling
    D. horizontal

  10. The maximum gingival recession measured was _______ mm.

    A. 2
    B. 4
    C. 6
    D. 8

  11. How many patients had a WKM ≥ 2 mm?

    A. 34
    B. 48
    C. 62
    D. 76

  12. Oral hygiene plays a limited role in peri-implant soft tissue health in the absence of KM. A narrow KM is less resistant to inflammation.

    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.

  13. ____________ showed that, while WKM can be augmented, its increase does not promote peri-implant soft tissue health.

    A. Bouri et al
    B. Kim et al
    C. Esper et al
    D. Strub et al

  14. The authors found a significant association between WKM and ________.

    A. history of smoking
    B. sex
    C. oral hygiene aids
    D. frequency of daily toothbrushing

  15. The youngest and oldest patients in the study were ____ and ____ years old, respectively.

    A. 18; 82
    B. 24; 63
    C. 30; 76
    D. 34; 71

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
 
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Did this article present new information? Yes No
How much time did it take you to complete this exercise? mins

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