Peri Radicular Surgery Flashcards
1
Q
what are the two aims of peri radicular surgery
A
achieve apical seal
remove existing infection
2
Q
what are indications of peri radicular surgery
A
calcification
broken instrument
root dilaceration
instrument perforation
open apex
root fracture
endo required in a post-crown tooth
3
Q
principles of flap design
A
suture margins lie on sound bone
adequate surgical vision
papilla remain intact
flap retains adequate blood supply
be wary of anatomical sites surrounding
4
Q
what root filling materials can be used in apicectomies
A
amalgam
ZOE
MTA
5
Q
name causes of endodontic failure
A
inadequate seal
too little/ much apex removed
displacement of seal
lateral perforation
lateral canals