Dentures and Crowns and Bridges Flashcards
1
Q
what is the process for if you have CoCr denture but crown needs replaced
A
prepare tooth for crown
insert denture
impression
insert new crown in baked stage
insert denture (will be gap)
add wax to crown until meeting denture
send to lab now
2
Q
when asking for crowns from lab and you have a denture what do you ask for
A
rest seats
guide planes
buccal undercut for clasp
2
Q
what is the buccal undercut required for CoCr clasp
A
0.25mm
3
Q
what requirements should a rest seat meet
A
1mm deep and saucer shaped bottom and divergent
4
Q
what is retention form
A
resistance to vertical displacement in long axis of tooth
5
Q
what is resistance form
A
resistance to displacement not in the long axis of the tooth
6
Q
A