4. Endodontic Pathogens Flashcards
1
Q
What type of bacteria is most commonly associated with primary endodontic infections ?
A
Gram negative anaerobic rods - strep. mutans.
2
Q
What type of bacteria is most commonly associated with secondary endodontic infections ?
A
Gram positive facultative anaerobic coccus - enterococcus faecalis.
3
Q
What is a primary endodontic infection ?
A
Results from the microbial colonization of necrotic pulp tissues.
4
Q
What is secondary endodontic infection ?
A
Results from a persistent infection of incorrectly treated root canals.
5
Q
What type of bacteria is enterococcus faecalis ?
A
Gram positive coccus.
Facultative anaerobe.
6
Q
What virulence factors does enterococcus faecalis have ?
A
Adhesion and aggregative - allows biofilm formation.
Superoxide formation - protective component.
