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13 Cards in this Set
- Front
- Back
Which of the following
INCORRECTLY describes the image depicted? a) the successional crown is complete b) the gubernacular cord is visible c) odontoclasts are active d) the lingual side is to the right e) the lingual side is to the left |
e) the lingual side is to the left
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The pre‐eruptive stage of tooth movement describes all
of the following except? a) all movements prior to crown completion b) movement associated with alveolar bone remodeling c) movement associated with root elongation d) movement of one tooth relative to another |
c) movement associated with root elongation
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The foramina indicated are
formed by: a) the successional tooth root b) a derivative of the successional dental lamina c) osteoclast resorption d) a derivative of the primary dental lamina e) successional crown eruption |
b) a derivative of the
successional dental lamina |
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The reduced enamel epithelium is formed by?
a) the stellate reticulum b) fusion of the outer enamel epithelium and oral epithelium c) the inner enamel epithelium and stratum intermedium d) the oral mucosa at the location of tooth eruption e) fusion of the inner and outer enamel epithelium |
e) fusion of the inner and outer enamel epithelium
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The cells at the arrows are
most likely: a) cementoblasts b) odontoclasts c) odontoblasts d) cementoclasts e) osteoclasts |
b) odontoclasts
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Which of the following pairs do NOT fit together?
a) passive eruption – gingival recession b) crown eruption – bony ladder formation c) super eruption – loss of opposing crown d) initiation of eruption ‐ crown formation e) tooth emergence – formation of junctional epithelium |
d) initiation of eruption ‐ crown formation
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The region indicated by the
arrows is: a) former reduced enamel epithelium b) the junctional epithelium c) the oral epithelium d) the periodontal ligament e) the gingival sulcus |
a) former reduced enamel
epithelium |
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During tooth attrition (tooth grinding, for example),
continued eruption maintains occlusion. What mechanism drives this continued eruption? a) alveolar bone growth b) enamel deposition c) cementum deposition d) root dentin formation e) bony ladder formation |
c) cementum deposition
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All of the following are present
in this image EXCEPT: a) enamel matrix b) remnants of successional lamina c) alveolar bone d) crown dentin e) enamel in successional tooth |
e) enamel in successional tooth
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Which process INCORRECTLY describes tooth eruption?
a) formation of Hertwig’s root sheath b) completion of crown synthesis c) induction of dental follicle cells to become odondoblasts d) alveolar bone remodeling e) deposition of intermediate cementum |
c) induction of dental follicle cells to become odondoblasts
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The region depicted by the
asterisks is? a) root dentin b) cellular cementum c) acellular cementum d) crown dentin e) alveolar bone |
b) cellular cementum
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Tooth eruption rate is _______ the root
elongation rate. a) faster than b) slower than c) equal to |
a) faster than
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Which of the following
structures has been mislabeled? a) bony ladder b) alveolar bone c) enamel matrix d) periodontal ligament e) apical foramen |
c) enamel matrix
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