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Flashcards in Endo Micro Deck (14)
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1

What are the 4 main routes of root canal infection?

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

2

Which microbes are involved in dental decay?

Strep Mutans

3

Which microbes are involved in periodontal disease?

Gram negative

4

What is an adherent bacterial community on the tooth called?

Biofilm

5

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

Planktonic Microbes

6

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

Persistent and Secondary endodontic infections

7

What are 6 ideal properties of endodontic irrigants?

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

8

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

Sodium Hypochlorite

*very basic

9

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

EDTA

10

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

Chlorhexidine

11

What are 5 general uses of irrigants?

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

12

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

Lubrication

13

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

Calcium Hydroxide

14

What are 7 commonly used intracanal medicaments?

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