*Lab 2/9? Cementation

Question 1

Type of etch for zirconia:

Answer 1

air abrasion, microetch

Question 2

Type of retention inc w surface area increase:

Answer 2

micromechanical mostly

Question 3

What do the silica particles used in air abrasion adhere to?

Answer 3

coupling agent, silica is added to the surface that is abraided

Question 4

TF? Phosphoric acid can etch predominantly glass or particle infiltrated glass.

Answer 4

F

Question 5

TF? HF acid can etch predominantly glass or particle infiltrated glass.

Answer 5

T

Question 6

Apply HF acid to:

Answer 6

restoration

Question 7

Apply Phosphoric acid to:

Answer 7

toth structure

Question 8

Materials to use HF acid w:

Answer 8

Pred Glass: Aluminum oxide, Particle filled glass: Leucite, LiDi, not glass infiltrated alumina

Question 9

Air abrasion for these materiales:

Answer 9

glass infiltrated alumina, Aluminum oxide, zirconium oxide

Question 10

Ways to cement zirconia:

Answer 10

can be conventional, recommended adhesively

Question 11

TF? RMGI is good for zirconia:

Answer 11

F

Question 12

Anytime we cement partial coverage we should use:

Answer 12

adhesive resin

Question 13

Conventional cement:

Answer 13

retention coming from the crown, not etch or bond(?)

Question 14

Use these cement for thick patial:

Answer 14

dual cure, chemical cure

Question 15

For veneer with appropriate thickness: __ mm can use light cure to cement

Answer 15

0.3-0.5mm

Question 16

Prefered cement for LiDi:

Answer 16

dual cure

Question 17

When to you light cure for crown:

Answer 17

NEVER

Question 18

Use these to bond Resin and RMGI:

Answer 18

primer or totally chemically cured

Question 19

Panavia can be used to bond both metal ally and ceramic.

Answer 19

T. just no etching for the zirconia

Question 20

When to air abraide lithium dicillate:

Answer 20

never, HF acid

Question 21

Self etching, don’t need:

Answer 21

phosphoric acid catalyst