National Board Study Questions

27 Questions | Total Attempts: 72

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National Board Study Questions

Use these questions to help you study for national boards.


Questions and Answers
  • 1. 
    Which of the following drugs concentrates in sulcular exudate?
    • A. 

      Penicillin

    • B. 

      Tetracycline

    • C. 

      Keflex

    • D. 

      Sulfa Drugs

  • 2. 
    Which of the following drugs does NOT usually cause gingival enlargement?
    • A. 

      Advil

    • B. 

      Niphedipine

    • C. 

      Dilatin

    • D. 

      Cyclosporine

  • 3. 
    Which incisal angle is more rounded, the distal or mesial?
    • A. 

      Mesial

    • B. 

      Distal

  • 4. 
    The height of contour on the facial surface of all anterior teeth are located on the:
    • A. 

      Incisal third

    • B. 

      Middle third

    • C. 

      Gingival third

    • D. 

      Proximal third

    • E. 

      Occlusal third

  • 5. 
    The smallest tooth in the permanent dentition is the?
    • A. 

      Maxillary lateral incisor

    • B. 

      Mandibular lateral incisor

    • C. 

      Mandibular central incisor

    • D. 

      Maxillary third molar

    • E. 

      Mandibular third molar

  • 6. 
    Which tissue covers the root of the tooth?
    • A. 

      Pulp

    • B. 

      Bone

    • C. 

      Dentin

    • D. 

      Enamel

    • E. 

      Cementum

  • 7. 
    The largest root of the mandibular first molar is the?
    • A. 

      Mesial root

    • B. 

      Distal root

    • C. 

      Palatal root

  • 8. 
    A certain premolar has a buccolingual crown dimension which is larger bucccolingually than mesiodistally, and is generally larger than the other premolar in the same arch is?
    • A. 

      Maxillary first premolar

    • B. 

      Maxillary second premolar

    • C. 

      Mandibular first premolar

    • D. 

      Mandibular second premolar

  • 9. 
    The buccal cusp ridge of the lingual cusp of the maxillary premolars is also known as a(n)?
    • A. 

      Lingual ridge

    • B. 

      Oblique ridge

    • C. 

      Marginal ridge

    • D. 

      Triangular ridge

    • E. 

      Transverse ridge

  • 10. 
    Which of the following premolars usually has 3 cusps?
    • A. 

      Maxillary first

    • B. 

      Mandibular first

    • C. 

      Maxillary second

    • D. 

      Mandibular second

    • E. 

      Both the mandibular first and second

  • 11. 
    Which of the following types of ridges is unique to maxillary molars?
    • A. 

      Transverse

    • B. 

      Triangular

    • C. 

      Cusp

    • D. 

      Oblique

    • E. 

      Occlusal

  • 12. 
    Which of the following should NOT be used to clean implants?
    • A. 

      Yarn

    • B. 

      Floss

    • C. 

      Pipe cleaners

    • D. 

      Rubber tip/gum stimulator

  • 13. 
    Which of the following BEST represents why the probe must be walked along the entire gingival sulcus?
    • A. 

      Patient trauma is reduced

    • B. 

      Operator efficiency is increased

    • C. 

      Reintroduction of bacteria is avoided

    • D. 

      Depth of epithelial attachment varies

  • 14. 
    At what AAP classification would you use likely take vertical BWX instead of horizontal BWX?
  • 15. 
    The presence of purulant exudate indicates?
    • A. 

      Acute inflammation

    • B. 

      Chronic periodontitis

    • C. 

      Deformans osteitis

    • D. 

      Condensing osteitis

  • 16. 
    When a patient returns for an evaluation following debridement, a dental hygienist notices bleeding and edema on the lingual and mesial of tooth #19.  Which represents the best treatment of choice?
    • A. 

      Do a pulp test

    • B. 

      Provide no treatment

    • C. 

      Remove residual calculus

    • D. 

      Probe the sulcus

  • 17. 
    A college student comes in during exams with severe pain, odor, a temperature of 101 degrees F, gingival bleeding and gingival ulceration.  Which of the following is a likely diagnosis?
    • A. 

      Juvenile periodontitis

    • B. 

      Herpetic gingivostomatitis

    • C. 

      Apthous stomatitis

    • D. 

      Necrotizing ulcerative gingivitis

  • 18. 
    A 35-year-old patient presents for a maintenance appointment.  Which of the following should be treated first?
    • A. 

      Heavy plaque

    • B. 

      Purulis lesion around tooth #3

    • C. 

      Smoking habit

    • D. 

      Class V caries on tooth #27

  • 19. 
    Gingival hyperplasia is associated with which of the following histological findings?
    • A. 

      An increase in cell numbers

    • B. 

      An increase in cell size

    • C. 

      An increase in nuclear number

    • D. 

      An increase in nuclear size

  • 20. 
    Neutrophil chemotaxis refers to which of the following events?
    • A. 

      Formation of the neutrophil

    • B. 

      Movement of cells

    • C. 

      Adherence of the cell

    • D. 

      Phagocytosis of the cell

  • 21. 
    Which of the following is not a bacterial product?
    • A. 

      Prostaglandin

    • B. 

      Endotoxin

    • C. 

      Exotoxin

    • D. 

      Enzyme

  • 22. 
    Which of the following is NOT an appropriate surgical treatment for hyperplastic tissue
    • A. 

      Gingivectomy

    • B. 

      Laser tissue removal

    • C. 

      Gingivoplasty

    • D. 

      Bone grafting

  • 23. 
    Which of the following is NOT a sign of occlusal trauma?
    • A. 

      Decreased mobility

    • B. 

      Recession

    • C. 

      Radiographic widening of PDL

    • D. 

      Tooth migration

  • 24. 
    True or False.  Patients with diabetes are more susceptible to periodontal disease.
    • A. 

      True

    • B. 

      False

  • 25. 
    Of the following crown surfaces, which one exhibits the greatest curvature of its CEJ?
    • A. 

      Mesial of #7

    • B. 

      Distal of #11

    • C. 

      Mesial of #25

    • D. 

      Distal of #9

    • E. 

      Mesial of #23

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