Complex root canal treatments Flashcards
How long do you follow up root canal treatment radiogrpahically after treatment
1 year after treatment
further follow up for up to 4 years
when is root canal retreatment indicated
persistent peri-apical pathology following rct
new peri-apcial patholgoy associated with a root filled tooth
a new restoration planned for a tooth and shows inadequate root canal
prevention of post treatment disease
rubber dam isolation
proximity of preparation to apical constriction
sufficient taper of preparation
adequate irrigation and placement of interappointment medicament
correct extension of root canal obturation
adequeate coronal seal to prevent re-infection
most common odontogenic cyst of inflammatory origin
radicular cyst
types of radicular cyst
true cyst
pocket cyst
what is a true cyst
lesion enclosed by epithelial lining
what is a pocket cyst
epithelial sac communicates with root canal system
factors for planning retreatment
is it a strategic tooth
how much coronal tooth structure
what is the periodontal support
is periapical disease present
are aesthetics issues
technical difficulties shown radiogrpahically
risk of access through existing crowns
high risk of perforation
how to remove crowns
wamkey
crown removers
2 main techniques for post removal
ultrasonic energy
post pulling devices
preferred technique for removal of GP
protaper gold instruments
when is a Hedstorm files and solvent useful
single cone obturation or poorly compacted gutta percha
what is an ultrasonic useful for
to remove gutta percha from the pulp chambre and entrance into the canals
when is heat useful
softens and remvoes gutta percha
useful when removing coornal gutta percha for post placement
