framework trial Flashcards
what are the options for a framework trial insertion?
framework only -best at early stage framework w/ wax record blocks -follows successful framework trial framework w/ tooth trial in wax -follows successful framework trial or jaw registration w/ record blocks
how would framework only be returned?
on the articulated master cast
what should you check before framework trial?
name of px framework matches design does it fit cast is there damage to cast is the articulator pin on the table
how should you try in the framework?
carefully remove from the cast
disinfect
try in the mouth and assess if seats correctly
check clasp adaptation and undercut engagement
use articulating paper to identify minor occlusal errors
what problems can occur in a framework only trial?
framework fits the cast but not the px and cast undamaged
-most likely an impression error
framework fits the cast but not the px and cast damaged
-incorrect blocking out
-inappropriate design
-clasps too thick with insufficient flex
when should occlusal rims be used?
can be added to the framework to record the jaw relationship again if this is wrong
complex cases, esp. when upper anterior teeth are missing
how do you try in a framework with wax record blocks?
carefully remove from the cast
disinfect
try in the mouth and assess fit
check clasp adaptation and undercut engagement
what should you check before trying in a framework with tooth trial in wax?
name px framework matches design does it fit cast is there damage to cast does tooth position and shade look correct is the articulator pin on the table
how would you try in a framework with tooth trial in wax?
remove carefully from the cast and disinfect
carefully try in mouth
verify framework (again)
addition of wax in saddle areas may now have improved the fit
what should you check in a framework w/ tooth trial in wax?
aesthetics -shape and mould of teeth -extension of anterior denture flanges occlusion -articulating paper -should be no framework interference -even occlusal contacts on denture teeth speech -relaxed convo w/ denture in reveals most speech problems
