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29. 30 development of periodontium

Liz Maas 10 questions

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Questions in this quiz (10)

  1. 1Which of the following statements is false?
    1. ACementum, periodontal ligament and alveolar bone function and develop as an interdependent unit
    2. BAlveolar bone develops before cementum
    3. CSHH is a soluble inductive factor affecting cell differentiation
    4. DDevelopment goes coronal to apical in direction
    5. ECell rests of Malassez comes from the enamel organ
  2. 2What did the Ten Cate experiment regarding tooth buds implanted in the backs of rats reveal about periodontal development?
    1. AAlveolar bone cells were generated
    2. BThere was less tritium thymidine in the pulp cells and odontoblasts due to high proliferation of these cells
    3. CPDL and cementum come from the dental follicle
    4. DSurrounding tissue, PDL, cementoblast, and pulp cells were observed.
    5. Enone of the above
  3. 3Which of the following is true?
    1. AFirst cementum is cellular cementum
    2. BOuter cell layer is inductive
    3. CInteractions between the follicular cells and intermediate cementum leads to the production of cellular cementum
    4. DSignalling factors come from the dental papilla
    5. Enone of the above
  4. 4Which of the following is true about HERS?
    1. ABefore occlusion, fibers are perpendicular to root surface
    2. BSynthesis of intermediate cementum by the outer cell layer of HERS
    3. CInvolved in odontoblast differentiation
    4. DSynthesis and differentiation
    5. ENone of the above
  5. 5The periodontal ligament uses type 4 collagen. The basal dental lamina and alveolar bone uses collagen types 1 and 3.
    1. AT/T
    2. BT/F
    3. CF/T
    4. DF/F
  6. 6Which of the following is false?
    1. AAlveolar bone forms by mesenchymal condensation within the dental follicle
    2. BLamellar bone becomes woven bone via action of the cutting cones
    3. CCementum is appositional
    4. DAcellular cementum is thick
    5. EParallel fibers are present in non-erupted teeth
  7. 7What was the point of that experiment where teeth were grown in the eyes of rats?
    1. ATo give the finger to animal rights' groups
    2. BThe pulp graft demonstrated development of PDL
    3. CThe dental papilla was shown to generate bone
    4. DThe papilla and follicle both must be present for formation of PDL, bone, and tooth
    5. EAlveolar bone generation requires the presence of both cementum and PDL
  8. 8The reduced enamel epithelium attaches to the enamel surface via desmosomes. Eruption leads to fusion of REE and oral epithelium
    1. AT/T
    2. BT/F
    3. CF/T
    4. DF/F
  9. 9Which of the following is true?
    1. AThe attachment between REE and enamel surface is a secondary epithelial attachment
    2. BThe internal basal lamina attaches to the gingiva
    3. CLocal expression of inflammatory mediators and cytokines stimulate proliferation of the inner layer of the REE and oral epithelium
    4. DThe demarcation between gingival and sulcular epithelium is that sulcular has linear basal layer that becomes convoluted
    5. EReduced enamel epithelium is attached to the unerupted enamel surface
  10. 10Passive eruption involves the apical migration of the gingival margin. This naturally occurs with age
    1. AT/T
    2. BT/F
    3. CF/T
    4. DF/F

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Author
Liz Maas
Language
English
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