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What is the space between each of the enamel rods called?
interprismatic region
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what embryonic tissue does enamel develop from?
ectoderm
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what is the chemical formula for calcium hydroxyapatite?
Ca10(PO4)6OH2
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What is the shape of the enamel rods produced by tome's process?
hexagonal
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ename rods run_______to the DEJ
perpendicular
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the raised scale-like pattern of enamel
Imbrication lines
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accentuated incremental lines because of the trauma at birth
neonatal line
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the grooves between each of the scales
perikymata
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incremental lines showing that enamel is secreted cyclically
lines of Retzius
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enamel matrix is first formed at the______edge of the tooth
incisal
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if your enamel is wearing away because of tooth to tooth contact, it is called what?
attrition
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if the enamel is being decalcified by the waste produts of cariogenic bacteria, it is called what?
caries
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if enamel is wearing away caused by contact with some sort of non-tooth structure (like a bobby pin or a toothbrush) is called what?
abrasion
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if the enamel just breaks off at the cervical margin of the tooth, it is a weird condition called what?
abfraction
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if some sort of chemical is wearing away your enamel (usually stomach acid) it is a condition called what?
erosion
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where does most stain collect, and therefore, where bleaching is most active?
interprismatic region
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etching removes the organic portions of the enamel to open gaps for sealant material to adhere to, this is a________ attachment
mechanical
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Why does bleachinc cause sensitivity?
because the bleach reaches down to the dentin which has dentinal tubules that reach to, and send signals to the pulp which contains nerves
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