PDL Flashcards
1
Q
Where is the PDL the thinnest?
A
At the midroot zone!
2
Q
Dentoalveolar group of PDL fibers…
A
Apical
Oblique
Horizontal
Alveolar crest
3
Q
Oxytalan fibers… what are they and what direction do they run
A
Elastic fibers! In an apicocoronal direction
4
Q
Sharpey’s fibers
A
Insert into cementum or alveolar bone proper! (Part of collagen bundle)
5
Q
Collagen bundles
A
Embedded into the cementum and extend into the alveolar bone
6
Q
Most numerous cell type in the PDL
A
Fibroblast
7
Q
What are epithelial rests of Malassez?
Pathogenic at all?
A
Epithelial remains of HERS
May form cysts!
8
Q
3 sources of blood supply…
A
- Apical vessels from the PDL
- Transalveolar vessels
- Supraperiosteal vessels
