Gingival Connective TIssue Flashcards
Gingival connective tissue is also known as?
Lamina Propria
There are 2 layers to the gingival connective tissue what are they?
Papillary layer
Reticular layer
There are 4 gingival fiber groups what are they
Gingivodental
Circular
Dentoperiosteal
Alveologingival
Fibers make up about how much of the GCT
65%
What type of collagen is in the GCT?
Type I and III
What part of the GTC is highly hydrated and gel like?
ground substance
What part are the periodonatl ligaments more clustered?
the bone
The PDL are very
uniform
5 things that the PDL do
Hold tooth Pain sens Nutrients Helps cementum Remodels alveolar bone
What are the collagen fibers of the PDL? (4)
Principle
Intermediate
Sharpey’s (just on bone)
Indifferent plexus
What is the elastic fiber found in the PDL called?
Oxytalan
Where do most progenitor cells come from?
PDL space
At what percentage is the butt joint not sensitive and when is it?
60-65 and 5-10 respectivly
What are 4 Gingival bone features?
Alveolar bone
Cortical
Cancellous
Periosteum
What bone surrounds the alveolar bone Proper?
Cortical bone
Does the cortical bone show up in x-rays?
nope
Purpose of the cancellous bone?
It acts as a filler between aveolar proper and cortical bone
The periosteum is
a layer of CT that is soft
What are the 3 sources vascular supplies enter the periodontium?
Apical vessels
Through the bone proper
anastamosis from gingiva
About 60-70% of whites have…?
melanocytes
WHere are melanocytes found?
Stratum basale
Suprabasal stratum spinosum
In which tissue does smoker melanosis occur?
In both the attached an mucosal tissue
