Oral Anatomy and Physiology (Chapter 7) Part 1

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  1. When teeth are in the odontogenesis phase (tooth formation) they go through three developmental periods called what?
    • The Categories are:
    • Growth, Calcification, and eruption
  2. Dental development usually begins in the (__) or (__) week of prenatal life.
    5th or 6th week
  3. The growth period of development is divided into the bud, cap and bell stages.
    True or False
  4. Tooth buds for the permanent teeth form between the (___) week of fetal life through the age of (___) years.
    • 17th week
    • 5 years
  5. The Cap Stage is also know as what?
    (hint: reproduction or multiplication)
  6. The last period of growth is also know as what?
    (the acquisition of tissue characteristics by cell groups) or (bell stage)
  7. Enamel forming cells are known as what?
  8. Dentin forming cells are known as what?
  9. (____) refers to depositing of the matrix for the hard dental structures.
  10. Calcification is the process by which organic tissue (what)?
    Becomes hardened
  11. For permanent teeth, it takes about 3 years from crown completion to the time the tooth emerges into the mouth.
    True or False
  12. Exfoliation is also called what?
  13. What is the study of anatomy including the minute structure, composition, and functions of tissues.
  14. What describes in detail the tissues of the teeth, periodontium, and the surrounding oral mucosa?
    Oral Histology
  15. A tooth is divided into two parts; what are they?
    The crown and one or more roots
  16. The crown is divided into the what?
    Anatomic and Clinical crown
  17. What is applied to the part of the crown exposed (visible) in the mouth?
    Clinical Crown
  18. When a tooth has two roots it is bifucated; When it has three roots it is trifurcated; however, when a tooth has four or more roots it is called what?
  19. Enamel is translucent and can vary in color from what?
    (Hint: two colors)
    Yellowish to Grayish White
  20. What is the hardest tissue in the human body?
  21. Enamel consists of approximately 96% inorganic minerals, 1% organic materials and 3% water. What are the two main inorganic components?
    Calcium and Phosphorus
  22. Enamel can endure crushing pressure of approximately 80,000 pounds per square inch.
    True or False
    • False
    • *100,000
  23. Dentin is the light yellow substance that is less dense than enamel and is the smallest portion of the tooth.
    True or False
    • False
    • *largest
  24. Dentin consist of approximately (__)% inorganic matter and (__)% organic matter and water.
    • 70%
    • 30%
  25. What has the ability for constant growth and repair?
  26. Cementum is light yellow in color.
    True or false
  27. Cementum is composed of approximately 60% organic material and 40% inorganic material.
    True or False
    • False
    • 55% organic
    • 45% inorganic
  28. The main function of cementum is to "___" the teeth to the bony walls of the tooth sockets in the periodontium.
  29. The chief function of the pulp is the formation of (What)?
  30. The tissues that surround and support the teeth are collectively called the what?
  31. The perodontium consist of what?
    • Cementum
    • Alveolar Process
    • Periodontal ligament
    • Gingiva
  32. The color of healthy gingiva range from what?
    pale pink to darker shades (Purple to black)
  33. There are two types of gingiva; what are they?
    Unattached and attached gingiva
  34. The portion of the free gingiva that fills the embrasures, a triangular space near the gingiva below the contact areas of adjacent teeth is known as what?
    Interdental Papilla
  35. Babies have how many primary teeth?
  36. Adults have how many teeth?
  37. Each arch contain 16 teeth. The Teethin an arch are composed of (__) anteriors (cuspid to cuspid) and (__) posterior (all teeth distal to the cuspids.)
    • 6 anteriors
    • 10 posterior
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Oral Anatomy and Physiology (Chapter 7) Part 1
2014-02-12 18:48:27
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