Tooth Morphology Practice Test! Trivia Quiz

49 Questions | Total Attempts: 13068

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Tooth Morphology Practice Test! Trivia Quiz

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Questions and Answers
  • 1. 
    Premolars and molars are used for _____ food.
    • A. 

      Tearing

    • B. 

      Cutting

    • C. 

      Grinding

    • D. 

      All of the above

  • 2. 
    Permanent maxillary molars have _____ roots.
    • A. 

      Three

    • B. 

      Four

    • C. 

      Two

    • D. 

      One

  • 3. 
    In the Universal Numbering System, the maxillary permanent premolars are:
    • A. 

      #4, #5, #12, and #13.

    • B. 

      #14, #15, #24, and #25.

    • C. 

      #20, #21, #28, and #29.

    • D. 

      #34, #35, #44, and #45.

  • 4. 
    There are ___ teeth in a quadrant of the primary dentition.
    • A. 

      5

    • B. 

      10

    • C. 

      20

    • D. 

      8

  • 5. 
    How many canines are in a quadrant of the permanent dentition?
    • A. 

      1

    • B. 

      2

    • C. 

      4

    • D. 

      8

  • 6. 
    There are _____ molars in the permanent dentition.
    • A. 

      8

    • B. 

      14

    • C. 

      16

    • D. 

      12

  • 7. 
    Canines are also referred to as:
    • A. 

      Wisdom teeth.

    • B. 

      Eyeteeth.

    • C. 

      Cuspids.

    • D. 

      Both b and c.

  • 8. 
    Characteristics of the primary dentition include:
    • A. 

      Darker enamel.

    • B. 

      Relatively thicker enamel.

    • C. 

      Relatively large pulp chambers.

    • D. 

      A tooth crown that is longer in relation to the total tooth length.

  • 9. 
    The first premolar is posterior to the _____ while the second premolar is anterior to the _____.
    • A. 

      Lateral incisor, second molar

    • B. 

      Canine, first molar

    • C. 

      Second premolar, first molar

    • D. 

      Canine, first premolar

  • 10. 
    The bony ridge over the labial portion of the roots of the canines that helps to form the facial contours is the:
    • A. 

      Cusp.

    • B. 

      Canus.

    • C. 

      Imbrication line.

    • D. 

      Canine eminence.

  • 11. 
    The _____ often appear as a developmental anomaly, differing in size, shape, contour, and relative position.
    • A. 

      Maxillary central incisors

    • B. 

      Mandibular incisors

    • C. 

      Maxillary and mandibular third molars

    • D. 

      Mandibular first and second molars

  • 12. 
    Most maxillary first premolars are considered to be ______ because they have a root that is divided into two roots.
    • A. 

      Bifurcated

    • B. 

      Succedaneous

    • C. 

      Trifurcated

    • D. 

      Bicanineate

  • 13. 
    A mandibular canine tooth:
    • A. 

      Usually erupts before the maxillary canine.

    • B. 

      Has a larger and more developed cusp than the maxillary canine.

    • C. 

      Has a sharper cusp tip than a maxillary canine.

    • D. 

      Has a sharper cusp tip than a maxillary canine.

  • 14. 
    The difference(s) between the maxillary and mandibular central incisors is(are):
    • A. 

      Maxillary central incisors are larger than the mandibular central incisors in all dimensions.

    • B. 

      Labial surfaces of the maxillary central incisors are more rounded from the incisal aspect than those of the mandibular central incisors.

    • C. 

      Cingulum in less prominent on the maxillary central incisors than the cingulum on the mandibular central incisors.

    • D. 

      Both a and b.

  • 15. 
    The developmental groove that extends mesiodistally and divides the occlusal table in half is the _____ groove.
    • A. 

      Marginal

    • B. 

      Triangular

    • C. 

      Central

    • D. 

      None of the above

  • 16. 
    The cusp of Carabelli is found on the:
    • A. 

      Premolars.

    • B. 

      Central incisors.

    • C. 

      Maxillary first molars.

    • D. 

      Maxillary second molars.

  • 17. 
    The _____ are sometimes referred to as “wisdom” teeth.
    • A. 

      First molars

    • B. 

      Premolars

    • C. 

      Third molars

    • D. 

      Canines

  • 18. 
    The mandibular lateral incisors are:
    • A. 

      Larger than the maxillary lateral incisors.

    • B. 

      Larger than the mandibular central incisors.

    • C. 

      Larger than the mandibular canines.

    • D. 

      Smaller than the mandibular central incisors.

  • 19. 
    The incisal surface of an anterior tooth is also known as the:
    • A. 

      Facial surface.

    • B. 

      Labial surface.

    • C. 

      Incisal edge.

    • D. 

      Incisal ridge.

  • 20. 
    The largest and strongest teeth in the maxillary dentition are the maxillary:
    • A. 

      First molars.

    • B. 

      Second molars.

    • C. 

      Canines

    • D. 

      Central incisors.

  • 21. 
    In the Universal Numbering System, the four first permanent molars are:
    • A. 

      #16, #26, #36, and #46.

    • B. 

      #3, #14, #19, and #30.

    • C. 

      #2, #15, #18, and #31.

    • D. 

      #18, #28, #38, and #48.

  • 22. 
    A common anomaly of the maxillary lateral incisors that is characterized by the tooth being abnormally pointed or tapered in shape is called:
    • A. 

      Barrel laterals.

    • B. 

      Fused laterals.

    • C. 

      Pegged laterals.

    • D. 

      Dens in dente.

  • 23. 
    The maxillary second premolar differs from the maxillary first premolar in that the:
    • A. 

      Distobuccal cusp slope is shorter than the mesiobuccal cusp slope on the second premolar.

    • B. 

      Cusps of the maxillary first premolar are not as sharp as the maxillary second premolar.

    • C. 

      Second premolar has only one root, and therefore only one root canal.

    • D. 

      Second premolar is wider mesiodistally than buccolingually.

  • 24. 
    The primary dentition has _____ molars and _____ premolars.
    • A. 

      12; 8

    • B. 

      8; 0

    • C. 

      8; 4

    • D. 

      4; 4

  • 25. 
    The _____ premolar has two bifurcated roots.
    • A. 

      Mandibular first

    • B. 

      Maxillary first

    • C. 

      Maxillary second

    • D. 

      Mandibular second

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