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Dental Anatomy: A Review

Antoinette Metivier; Kimberly Bland, CDA, EFDA, M.Ed.

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  1. ____________ is the portion of the tooth that comprises the main inner portion of the tooth.

    • Enamel
    • Cementum
    • Dentin
    • Apex
  2. The ____________ consists of hard and soft tissues and helps anchor, support and protect the teeth.

    • gingiva
    • periodontium
    • sulcus
    • hard palate
  3. The area where two roots divide on a two rooted tooth is called the ____________.

    • cingulum
    • bifurcation
    • midline
    • uvula
  4. The incisors are responsible for ____________ food.

    • cutting
    • holding
    • crushing
    • chewing
  5. If a patient's maxillary first molar is slightly posterior to the mandibular first molar, that is considered ____________ occlusion.

    • Class III
    • Class I
    • Class II, Division 2
    • Class II
  6. The primary dentition is the same as the permanent dentition, except it has no ____________.

    • canines
    • lateral incisors
    • premolars
    • first molars
  7. The inner portion of the tooth that is comprised of blood vessels, lymph vessels, connective tissue, nerve tissue and cells is the ____________.

    • cementum
    • dentin
    • pulp
    • enamel
  8. During an exam, the dentist states the patient has decay on the cervical buccal of the maxillary right first molar. The decay is located ____________ and ____________.

    • facing the cheek / on the biting surface
    • facing the tongue / near the gingiva
    • facing the tongue / the midline
    • near the gingiva / facing the cheek
  9. The ____________ consists of the tissues inside the cheeks, vestibule, lips, soft palate and under the tongue and covers bone.

    • periodontium
    • alveolar mucosa
    • periodontal ligament
    • attachment unit
  10. The permanent dentition has a total of _____ teeth, while the primary dentition has a total of _____ teeth.

    • 20 / 32
    • 30 / 22
    • 30 / 20
    • 32 / 20
  11. The surface of a tooth facing the cheek or lip would be known as labial or buccal as well as ____________.

    • occlusal
    • facial
    • incisal
    • lingual
  12. There are four hard tissues that make up a tooth, the hardest tissue in the body is the ____________.

    • cementum
    • dentin
    • pulp
    • enamel
  13. The triangular space formed between the contouring angles of adjacent teeth and the gingiva is a(n) ____________.

    • contact
    • incisal ridge
    • embrasure
    • fossa
  14. The correct sequence of words used when describing a tooth is _______________.

    • dentition, arch, quadrant and tooth
    • arch, quadrant, dentition and tooth
    • tooth, dentition, arch and quadrant
    • dentition, quadrant, tooth and arch
  15. A parent should expect their child to get his/her first tooth at approximately _______ months.

    • 36
    • 9-12
    • 6-10
    • 12-16
  16. The crown of a tooth is covered with enamel and the root is covered with ____________.

    • dentin
    • cementum
    • enamel
    • apex
  17. Gingiva surrounds the teeth.  Healthy gingiva should be __________ and __________.

    • soft / stippled
    • red / soft
    • firm / stippled
    • smooth / loose
  18. The Attachment Unit consists of cementum, alveolar bone and _______________.

    • periodontal ligaments
    • gingiva
    • alveolar mucosa
    • cementum
  19. The ____________ line angle of a tooth is away from the midline and faces the cheek.

    • mesiobuccal
    • distobuccal
    • distolingual
    • mesiolingual
  20. A child would be about _____ years old if the first permanent molars have erupted but the canines have not.

    • 7
    • 4
    • 12
    • 10

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