Maxillary sinus and success of dental implants: an update

Self-Instruction Exercise No. 371
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Exercise No. 371
Subject Code: 704
Implant Placement Surgery

The 15 questions for this exercise are based on the article, Maxillary sinus and success of dental implants: an update, on pages 47-54. This exercise was developed by Charles Martello, DDS, FAGD, in association with the General Dentistry Self-Instruction committee.

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

  • enhance knowledge of the anatomy, physiology, and common pathological conditions of the maxillary sinus;
  • understand surgical techniques and materials used in the sinus augmentation procedure; and
  • develop insight in patient selection and practices to promote successful sinus augmentation.

Answers for this exercise must be received by June 30, 2016.

  1. The maxillary sinus starts to develop in utero as early as week ____.

    A. 10
    B. 12
    C. 14
    D. 16

  2. What structure is located behind the posterior wall of the maxillary sinus?

    A. ethmoid infundibulum
    B. infraorbital nerve
    C. zygoma
    D. pterygomaxillary fossa

  3. The maxillary sinus has an average volume of _____ mL.

    A. 21
    B. 19
    C. 17
    D. 15

  4. What will cause a sinus mucocele?

    A. viral infection
    B. perforated membrane
    C. blocked ostia
    D. neoplasm

  5. According to Carmeli et al, an irregular mucosal thickening greater than ___ mm resulted in an increased risk of sinus outflow obstruction.

    A. 2
    B. 3
    C. 4
    D. 5

  6. Sinus floor augmentation of the maxillary sinus for implant placement was introduced by _______ in 1976.

    A. Boyne
    B. Underwood
    C. Tatum
    D. James

  7. Which technique best describes the crestal approach?

    A. incision started more palatally
    B. full-thickness flap to expose the alveolar ridge
    C. U-shaped trapdoor
    D. large flap for surgical access

  8. The piezoelectric technique for sinus lift was introduced to the United States by ___________ in 2001.

    A. Vercellotti et al
    B. Smiler
    C. Lozada et al
    D. Sohn et al

  9. Which structure should be avoided during flap retraction?

    A. schneiderian membrane
    B. lateral sinus wall
    C. infraorbital foramen
    D. sinus epithelium

  10. Which investigators used computed tomography to determine prevalence, location, height, morphology, and orientation of the maxillary sinus septa?

    A. Park et al
    B. Peleg et al
    C. Patel et al
    D. Pommer et al

  11. Which grafting material is considered the gold standard for sinus augmentation?

    A. alloplastic
    B. autograft
    C. xenograft
    D. allograft

  12. Demineralized allogeneic graft material is commonly used because of the presence of bone morphogenetic protein that stimulates ___________.

    A. osteogenesis
    B. osteoconduction
    C. osteoporosis
    D. osteoinduction

  13. According to Kan et al, which factor may affect the survival of implants placed in grafted sinuses?

    A. history of nonsmoking
    B. nonthreaded implants
    C. membrane coverage
    D. particulate grafts

  14. What is the most common surgical complication during maxillary sinus augmentation?

    A. implant migration
    B. schneiderian membrane perforation
    C. graft resorption
    D. infraorbital artery rupture

  15. Blood supply to the maxillary sinus comes mainly from all of the following arteries except one. Which is the exception?

    A. ascending palatine
    B. maxillary
    C. posterior superior alveolar
    D. infraorbital


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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