Sub-gingiva enviroment

Question 1

What is in Gingival Crevicular Fluid?

Answer 1

• Cellular Componenets
• Organic ions
• Inorganic ions
• Enzymes
• Bacterial Products
• Epithelial cells
• Leukocytes
• Electrolyted

Question 2

What components increases in GCF in disease?

Answer 2

• PMNs
• Cytokines
• K levels increase
• Haem
• Nitrate

Question 3

What 3 types of adhesion from plaque to enamel can you get?

Answer 3

1. Cell-substratum adhesion
2. homotypic cell-cell adhesion
3. heterotypic cell-cell adhesion

Question 4

What are the 3 mosst common bacteria in sub-gingival areas?

Answer 4

1. Streptococci - 40%
2. Actinomyces - 35%
3. Eubacterium

Question 5

What is Eubacterium species?

Answer 5

• Estimated to make up >50% of anaerobic sub-gingiva population
• Bacili to Folamentous
• Gram variable
• recent association of progression of dental caries

Question 6

What are some sub-gingival pathogens?

Answer 6

• Aggregaitbacter
• Porphyromonas
• Prevotella
• Tanarella
• Eikenella
• Fusobacterium

Question 7

When is Metronidazole used and what do studies show?

Answer 7

Used in acute or chronic disease

Studies show reduction in Spirocheates and GNABs and red & orange complex bacteria