Flashcards in cementum Deck (12)
what is the function of cementum?
covers root dentine, provides attatchment for some periodontal fibres
describe the basic structure of cementum
similiar in structure to bone, collagen matrix, lamellar arrangement (linear)
what are the 2 types of cementum?
cellular and acelluar
describe acellular cementum
no cells within, adjacent to dentine, first formed
describe cellular cementum
contains cementocytes, later formed, in apical part of root and furcation regions (bone loss)
where must cementum cells get nutrition?
where are sharpeys fibres found and what is there function?
attatching to the cementum and running to the bone, keep tooth in socket
what is the structure of sharpeys fibres?
matrix of connective tissue (type 1 collagen)
what is another name for acelluar cememntum?
acellular extrinsic fibre cementum
which cementum contains sharpeys fibres?
where is acellular extrinsic fibre cementum found?
cervical 2/3 of the roots