2 - GCF Flashcards
What forces GCF out of vasculature
Intravascular pressure
GCF flow rate increases ______X w/ inflammation
30
5 defense mechanisms of gingiva
Epithelial barrier High rate of cell turnover Leukocyte migration Saliva GCF
What causes change to exudate
What increases in the GCF at this time
Inflammation
Plasma proteins
Filter paper strips stained w/ ____ for GCF
Ninhydrin
Transmit time of GCF
1 minute 25 seconds from 5mm pocket
Flow of GCF in health
8 uL/hour
Flow of GCF in gingivitis
14 uL/hour
Flow of GCF in moderate periodontitis
29 uL/hour
Flow of GCF in advanced periodontitis
44 uL/hour
Flow rates according to who
Goodson
Main component of GCF
Cellular elements
% PMNs
% monocytes
% lymphocytes
95%
2-3%
1-2%
Electrolytes in GCF
Na
K
Ca
Mg
Bacterial agents in GCF
Endotoxin H2S Organic acids Collagenase Hyaluronidase
Cytokines in GCF
TNFa Il-1 a/b IL-6 RANKL Osteoprotegrin (OPG)
Periocheck checks for ____
Neutral protease activity (elastase)
Enzymes released by PMNs
PocketWatch checks for ___
AST
Checks for dead/dying cells in cardiac/liver tissue