Resto

Question 1

Parameters for resin curing outside the mouth

Answer 1

110 c* for 5 min

Question 2

In Dual cure resin composite, how many minutes does it take to fully cure

Answer 2

6 min

And in inlays we cure for 10 sec then remove excess

Question 3

In Light cured RMGI (VITRABOND) where are they recommended in usage as liners ?

Answer 3

Yes, to seal the underlying dentin for moderate to deep cavities

Question 4

Is it possible to know the state of the pulp 100% on clinical ground

Answer 4

No, only in histology we can have zero doubt

Question 5

Each time a restoration is replaced The cavity is increased by how much ?

Answer 5

On average it increase by .6 mm

Question 6

Veneers has 20% less longevity than crowns

Answer 6

True, 20% lless at 10yr

Question 7

Steps until cementing the veneers (porcelain )

Answer 7

1- sand blasting or acid etching the fitting surface

2- treatment in silane coupling agent

3- etch tooth surface

4- use resin composite luting agent

Question 8

Thickness of porcelain

Answer 8

.5-.7

Cementation System used e.g Calibra. Nexus. Variolink.

Question 9

Why do we adjust the veneers minor adjustment after cementation ?

Answer 9

To decrease the chance of fracture

Question 10

How much reduction does anterior pfm crown requires

Answer 10

1,2-1.5 mm labial and .5 lingual

Question 11

Are in ceram. Zerconia. Lava. Procera etchable

Answer 11

No, and can only be cemented with RMGI or resin cement

Question 12

Can u remove a post with a forceps ?

Answer 12

Yes, with spencer-wells forceps
To twist

Its contraindicated to remove threaded post with forceps

To remove post by using root face as anchorage use eggler post remover

To cut the channel for the post removel use masseran

Use ultrasonic to vibrate the post loose

Question 13

In gold posterior crown veneer how much should u reduce

Answer 13

1.5 on functional cusp
1mm else where

Porcelain fused to metal 2 mm on functional 1.5 on nonfunctional

1.2 -1.5 on buccalfor pfm

Question 14

In gold posterior crown veneer how much should u reduce

Answer 14

1.5 on functional cusp
1mm else where

Porcelain fused to metal 2 mm on functional 1.5 on nonfunctional

1.2 -1.5 on buccalfor pfm

Question 15

In gold posterior crown veneer how much should u reduce

Answer 15

1.5 on functional cusp
1mm else where

Porcelain fused to metal 2 mm on functional 1.5 on nonfunctional

1.2 -1.5 on buccalfor pfm