Cons Lab Flashcards
(8 cards)
1
Q
What do bevels do?
A
Increase surface area for bonding
2
Q
What do labial bevels help (on class IVs)?
A
They help hide restoration margins, by allowing composite thickness to fade out
Useful on class IV’s
3
Q
What should you assess for a class IV restoration?
A
Correct incisal edge width
Symmetry
Natural palatal and buffaloes contours - no excess
4
Q
What can be used (not in DH) to prevent iatrogenic tooth damage?
A
Fender wedge
5
Q
What can be used to separate the teeth for a class IV?
A
PTFE tape - protects adjacent teeth
6
Q
What matrices can be used for class IV composites?
A
Mylar strips
7
Q
What is the order of polishing discs?
A
Black, purple, green, pink, white (coarsest to least coarse)
8
Q
What different burs are there for crown preps?
A
501 diamond
Torpedo diamond
Needle bur
