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21 Cards in this Set
- Front
- Back
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_______________ is a stria of retzius that occurs at birth.
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neonatal line
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Name two regions where enamel is 'wavy'?
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near the DEJ, in cuspal regions (gnarled enamel)
|
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Does 'wavy' enamel provide strength or cause the enamel to be weaker?
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provides strength
|
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Crystals in enamel rods are ________ packed while in the sheath they are _________ packed.
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tightly, loosely
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What are a and b?
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a- stria of retzius
b- DEJ |
what are a-d?
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a- stria of retzius
b- enamel tuft c- enamel lamella d- DEJ |
what are a-d?
|
a- gnarled enamel
b- neonatal line c- dentin d- DEJ |
What is the arrow pointing to?
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stria of retzius
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What is the arrow pointing to? What is the large dark oblique band?
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cross striations, stria of retzius
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what structures are shown?
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enamel rods
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what are a and b?
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a- rod sheath
b- rod core |
what are a-d?
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a- rod core
b- rod sheath c- rod tail d- rod head |
what is shown here?
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enamel rods with HA crystals
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what are a and b?
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a- rods cut longitudinally
b- rods cut cross sectional |
what are the red arrows pointing to?
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Hunter Schreger bands
|
what are a and b?
|
a- enamel tufts
b- enamel lamella |
what are a and b?
|
a- enamel spindle
b- enamel tuft |
what are a-c?
|
a- enamel tufts
b- DEJ c- dentin |
what are a-c?
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a- enamel lamella
b- enamel tuft c- neonatal line |
what are a and b?
|
a- enamel spindle
b- odontoblast process in dentin |
what are a-c?
|
a- enamel spindle
b- odontoblast process c- enamel rod |
