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Flashcards in periodontal ligament Deck (13)
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1

what is the periodontal ligament?

connective tissue joining cementum to alveolar bone

2

what does the periodontal ligament contain?

cells, extracellular matrix, fibres, nerves, blood vessels

3

what is the function of the periodontal ligament matrix behaving like a gel?

transfer forces applied to the tooth to the alveolar bone

4

name the periodontal ligament cells

fibroblasts, cement oblasts, osteoclasts, cementoclats, epithelial cells, defence cells

5

what are the periodontal ligament sensory nerves?

mechanoreceptors and nociceptors

6

what is the function of mechanoreceptor cells in the periodontal ligament?

recognise how soft/hard food is and adjust chewing

7

what are nociceptors in the periodontal ligament involved in?

reflex

8

what are the 2 types of periodontal ligament fibres?

true periodontal ligament fibres and gingival ligament fibres

9

what is the function of true periodontal ligament fibres?

connect cementum to alveolar bone

10

what is the function of gingival ligament fibres and where are they found?

supportive, connect bone/tooth to gingiva, found above alveolar crest

11

name the 2 periodontal ligament principle fibre groups

alveolo-dental ligament and interdental ligament

12

name the alveolar-dental ligament fibres

alveolar crest, horizontal, oblique, apical, inter-radicular

13

name the interdental ligament fibre

trans-septal fibre