Single tooth replacement utilizing implants in the esthetic zone: a case report

Self-Instruction Exercise No. 332
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Exercise No. 332
Subject Code: 690

The 15 questions for this exercise are based on the article, “Single tooth replacement utilizing implants in the esthetic zone: a case report.” This exercise was developed by Steven E. Holbrook, DMD, MAGD, in association with the General Dentistry Self-Instruction committee.

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

  • identify the keys to help determine peri-implant esthetics;
  • recognize the need for ridge preservation following extraction; and
  • understand how to optimize esthetics with anterior implants.

Answers for this exercise must be received by June 30, 2014.

  1. The mesiodistal distance between an implant and an adjacent tooth should be no less than

    A. 0.5 to 1.0 mm.
    B. 1.0 to 1.5 mm.
    C. 1.5 to 2.0 mm.
    D. 2.0 to 2.5 mm.

  2. The key to maintaining the interdental papilla between an implant and an adjacent tooth is

    A. a platform switching abutment.
    B. the position of the CEJ relative to the platform.
    C. micro-grooves on the implant collar.
    D. the bone level of the adjacent tooth.

  3. The buccal bone crest adjacent to a tooth is composed of __________ bone.

    A. bundle
    B. cortical
    C. woven
    D. trabecular

  4. What is the labial bone thickness desired to minimize facial bone resorption after implant placement?

    A. 0.8 to 1.0 mm
    B. 1.0 to 1.2 mm
    C. 1.4 to 1.6 mm
    D. 1.8 to 2.0 mm

  5. Where was the implant platform positioned in this case at the time of surgery?

    A. Even with the bone level
    B. 1.8 mm coronal to the bone level
    C. 2.0 mm apical to the CEJ of the adjacent tooth
    D. 4.0 mm from the free gingival margin

  6. To create the proper emergence profile of an implant crown, the facial implant shoulder should be ______ to the point of emergence of the adjacent teeth.

    A. 1 mm labial
    B. 1 mm palatal
    C. 2 mm labial
    D. 3 mm apical

  7. Which of the following was found when evaluating the relative tooth position in this case?

    A. An unfavorable mesiodistal relationship
    B. A favorable linguoversion
    C. An unfavorable facial gingival margin
    D. An unfavorable labioversion

  8. The form of the peridontium in this case was

    A. highly scalloped.
    B. moderately scalloped.
    C. slightly scalloped.
    D. flat.

  9. The biotype in this case indicated that the patient was susceptible to

    A. recession.
    B. scarring.
    C. hypertrophy.
    D. mucocitis.

  10. The tooth shape in this case minimizes the risk for

    A. facial recession.
    B. black triangles.
    C. inadequate bone.
    D. gingival discoloration.

  11. According to Tarnow, the papilla filled the embrasure space 100% of the time when the distance between the contact point and the crest of the bone was less than or equal to __________ mm.

    A. 8
    B. 7
    C. 6
    D. 5

  12. It is easier to maintain or create a papilla between an implant and a natural tooth than between two implants. The position of the osseous crest is an important predictor of the FGM after implant placement.

    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. The maxillary anterior ridge may be reduced by what percentage during the first year after tooth loss?

    A. 10
    B. 25
    C. 50
    D. 75

  14. According to Spray, the average labial bone thickness is

    A. 0.7 mm.
    B. 1.7 mm.
    C. 2.7 mm.
    D. 3.7 mm.

  15. To help prevent papilla loss after extraction, the provisional in this case was

    A. overcontoured.
    B. undercontoured.
    C. load bearing.
    D. removable.


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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