Cementum Flashcards
1
Q
what does cementum cover?
A
root dentine
2
Q
how is cementum similar in structure to bone?
A
it has a collagen matrix and lamellar arrangement
3
Q
what does cementum provide attachment for
A
some periodontal fibres
4
Q
what is cementum laid down by?
A
cementocytes
5
Q
what are the characteristics of acellular cementum?
A
no cells within, adjacent to dentine, first formed-primary, cervical 2/3 of root, extrinsic fibre, collagen fibres from PDL- sharpey’s
6
Q
what are the characteristics of cellular cementum?
A
contains cementocytes, later formed-secondary, present in apical root and furcation regions, no sharpey’s fibres, intrinsic collagen fibres parallel to surface, transitional form, no toot attachment role