Varnishes

Question 1

Cavity varnish used with which restorative material?

Answer 1

Amalgam

Question 2

Is that possible to use varnish with glass ionomer cement base?why?

Answer 2

Is not possible,because varnish prevents release of fluoride from glass ionomer cement

Question 3

Is that possible to use varnish with composite resin restorative material?why?

Answer 3

Is not possible,because varnish prevents polymerisation of composite resin

Question 4

Varnish can not be used with composite resin,what’s the alternative?

Answer 4

Using calcium hydroxide under the restorative

Question 5

How many layers of varnish to be applied?

Answer 5

2 layers

Question 6

Why 2 layers of varnishes are applied?

Answer 6

When the initial layer dries(steam air)leaves small voids so the second layer will fill the voids and produce a more continuous coating