Periodontal Tissues Flashcards
What is the periodontal ligament (PDL)?
Dense fibrous connective tissue
Occupies space between tooth and alveolar bone
What does the PDL contain?
Cells - fibroblasts
– Fibres (principally collagen)
– Ground substance
– Water
– Nerves
– Blood vessels
Label the PDL fibers on the diagram…
Label the diagram…
What is the PDL functions
Shock absorber (support)
Attachment : tooth-bone
sensory. (heavily innervated)
Label the bones
Label the structure of the bone?
What type of aneastesia is this?
Intraligamentary Anaesthesia
what does the lining of the lamina dura have around the bone?
cribiform plate meaning it is porous
What are the 3 types of mucosas?
–masticatory mucosa
– lining mucosa
– specialised mucosa
What type of mucosa does LA go into buccaly?
Into lining mucosa
– flexible
– can be pain free if done properly (in some areas)
What type of mucosa does LA go into lingually?
Into a masticatory mucosa
– tightly bound down
– can hurt!
