Periodontal Ligament Flashcards
1
Q
Components of PDL
A
blood vessels nerves collagen cells ecm
2
Q
What is the matrix in PDL
A
Hyluronate glycosaminoglycans, Proteoglycans, glycoproteins
3
Q
Texture of PDL vs dental pulp
A
PDL is viscous and dental pulp is jelly like
4
Q
Cells in PDL
A
Fibroblasts (collagen)
Cemetoblasts
Osteoclasts cementoclasts
Macrophages/ defence cells
Rests of malassez
5
Q
Types of nerves in PDL
A
Sensory (mechanoreceptors, nociceptors, prociceptors)
Autonomic sympathetic (vasoconstriction)
6
Q
Two types of Fibres
A
True/dentoalveolar
Givingival
7
Q
Principal fibre groups of the PDL
A
Apical
Oblique
Horizontal
Alveolar crest
Interradicular
Transseptal
8
Q
Which PDL fibres are most numerous
A
Oblique
