Endo Micro

Question 1

What are the 4 main routes of root canal infection?

Answer 1

1-Dentinal tubules
2-Direct exposures
3-Subgingival biofilm
4-Anachoresis

Question 2

Which microbes are involved in dental decay?

Answer 2

Strep Mutans

Question 3

Which microbes are involved in periodontal disease?

Answer 3

Gram negative

Question 4

What is an adherent bacterial community on the tooth called?

Answer 4

Biofilm

Question 5

Which organisms are free floating and can be eliminated with irrigation and instrumentation?

Answer 5

Planktonic Microbes

Question 6

What condition results in sinus tracts and abscesses and is a result of infection that was left behind?

Answer 6

Persistent and Secondary endodontic infections

Question 7

What are 6 ideal properties of endodontic irrigants?

Answer 7

1-Dissolve organic tissue
2-Dissolve inorganic tissue
3-Antimicrobial
4-Non-toxic
5-Low surface tension
6-Lubricant

Question 8

Which irrigant dissolves organic and inorganic soft tissues but is toxic?

Answer 8

Sodium Hypochlorite

*very basic

Question 9

Which irrigant is a chelating agent that dissolves inorganic components and removes the smear layer?

Answer 9

EDTA

Question 10

Which irrigant is a broad spectrum antibiotic and has sustained action?

Answer 10

Chlorhexidine

Question 11

What are 5 general uses of irrigants?

Answer 11

1-Lavage/flushing
2-Rinsing
3-Kill bugs
4-Soften dentin
5-Lubricant

Question 12

RC prep or Glide are viscous chelating solutions with EDTA and glycerin that trap debris in suspension and are use for what?

Answer 12

Lubrication

Question 13

What is the number one canal medicament, is very basic, can break up necrotic tissue and stimulates hard tissue formation?

Answer 13

Calcium Hydroxide

Question 14

What are 7 commonly used intracanal medicaments?

Answer 14

1-Calcium hydroxide
2-Phenolics
3-Aldehydes
4-Halides
5-Steroids
6-Antibiotics
7-Combinations