Dentine Flashcards
How many curvatures do dentinal tubules have?
primary and secondary
How many branches do dentinal tubules have?
terminal and lateral
What appearance does interglobular dentine have?
granular appearance
Where is interglobular dentine found?
subsurface of root dentine
What causes interglobular dentine?
dentine has failed to mineralise properly along incremental lines
What causes granular layer of tomes?
expansion of dentinal tubules
What are 2 causes of dead tracts?
- response to insult
- odontoblast overcrowding
What do bacteria in the tubules present as?
dark stains
what are the 2 features seen in a cross section of dentinal tubules?
peri and inter tubular dentine
What presents when the secondary curvatures line up?
Contour lines of owen
What makes contour lines of owen?
secondary curvatures lining up
what is not present in interglobular dentine?
peritubular dentine
what is layer of tomes?
expansion of dentinal tubules
what does the expansion of dentinal tubules make?
layer of tomes
