clinical techniques for composite resin restorations

Question 1

when is composite restoration counterindicated?

Answer 1

-failure to obtain isolation
-extension of restoration on root surface
-occlusal considerations related to wear
-fracture of the composite material

Question 2

-composite has low thermal conductivity
-can be repaired

Question 3

etching time :

Answer 3

15 seconds , then rinsed with water

Question 4

restoration should be applied in ___

Answer 4

1-2mm increments – then light cure then apply again

Question 5

after bonding agent is applied , it should be gently dried until when?

Answer 5

there is no rippling of bonding agent on the surface (applied for 10s then dried for 10s)

Question 6

disadvantages of composite :

Answer 6

-challenges with adequate adhesion
-polymerization protocols
-poor marginal adaptation
-margins deteriorate over time
-operator factors
-procedural difficulties

Question 7

disadvantages of composite :

Answer 7

-challenges with adequate adhesion
-polymerization protocols
-poor marginal adaptation
-margins deteriorate over time
-operator factors
-procedural difficulties