Amalgam restoration Flashcards
1
Q
Small condenser:
….surface area
….condensation pressure
…indication
A
low SA
high condensation pressure
lathe cut
2
Q
Large condensor:
…surface area
….condensation pressure
….indication
A
high SA
low condensation pressure
spherical alloy (does not need high condensation b/c pack nicely)
3
Q
Class 2: portion of the cavity connecting an occlusal portion and a proximal portion together
A
isthmus
4
Q
Time of condensation
A
3-4 min
5
Q
Purpose of carving
A
- reproduce tooth anatomy
2. remove mercury rich matrix
6
Q
Amalgams have… edge strength
A
low
7
Q
an enamelplasty is necessary in submarginal amalgam restoration if ledge is more than…
A
0.2 mm
