Cement and Ceramics

Question 1

OSU specific WATER-BASED (weak) cements include:
_______
_______
_______

Answer 1

Zinc Polycarboxylate Cement (Durelon)
Glass-Ionomer Cement (Ketac-Cem)
Resin Ionomer Cement (Rely X Luting)

(ZP, GI, RI….zin, gin, and red wine…all liquids…water based)

Question 2

OSU specific RESIN-BASED (strong) cements include:
\_\_\_\_\_\_\_
\_\_\_\_\_\_\_
\_\_\_\_\_\_\_
\_\_\_\_\_\_\_

Answer 2

Dual Cure with Adhesive (Panavia)
Self Cure with Adhesive (Multilink)
Light/Dual Cure with Adhesive (NX3)
Dual Cure Self Adhesive (Rely X Unicem)

Question 3

Which TWO resin-based (strong) cements are modified with phosphate esters?

Answer 3

Multilink
Rely X Unicem

these are best on non-silica ceramics and metals
R.U. and M have Phosphate esters….RUMP

Question 4

Silica based ceramics require a _____ and _____ cements.

Answer 4

silane coupler

resin cements

Question 5

What are the OSU specific silica-based ceramics?

Answer 5

Leucite Reinforced Porcelains (Empress)
Lithium Disilicate Glass (eMax)

remember these require a silane coupler and resin cement…Resin cements =Rely X Unicem, NX3, Multilink, Panavia

Question 6

True or False: Non-silica based ceramics can be used with any cement.

Answer 6

True

Question 7

Non-silica based ceramics all contain ______.

Answer 7

oxides

Question 8

Non-silica based oxide ceramics include:
______ Oxides
______ Oxides
______ Oxides

Which ONE is used in the OSU Dental Clinic?

Answer 8

Glass Infiltrated
Dense Sintered Aluminum
Dense Sintered ZirconiaOSU Clinics

Question 9

Dense sintered zirconia oxide ceramics are _____% translucent. What is the compressive strength?

Answer 9

> 47%

1000MPa

Question 10

Remember which ceramics require a silane coupler? Which silane coupler do we use in clinics?

Answer 10

Empress and eMax require a silane coupler (they’re silica based ceramics)

we use Silane Primer (by Kerr)

Question 11

Which “universal adhesive” do we have available in clinic? What is the benefit to using a universal adhesive?

Answer 11

Scotchbond Universal

• it has silane
• self-etching (but you should still etch enamel to be sure)

Question 12

According to Seghi, which ceramic would be best used for an anterior crown in the Dental Clinic (most esthetic)?

Answer 12

eMax

Question 13

How does a conditioner differ from a 35% phosphoric acid etch?

Answer 13

-less potent acid = CLEANS but does NOT demineralize

also, please rinse the conditioner off. Apparently there is an issue with D3s not rinsing it before applying RMGI

Question 14

True or False: Feldspathic porcelain, Leucite Reinforced ceramic, and Lithium Disilicates require silane coupling.

Answer 14

True

Question 15

Feldspathic Porcelain, Leucite Reinforced, and Lithium Disilicates require silane coupling. How should the surface of the ceramic be cleaned prior to cementation?

Answer 15

with HF acid etch

Question 16

Feldspathic Porcelain, Leucite Reinforced, and Lithium Disilicate: clean with HF acid etch + apply silane coupler + cement with ________.

Answer 16

NX3 (more esthetic!!! not as strong as unicem)
or
Rely X Unicem (posterior restorations)

Question 17

True or False: Non-silica based Zirconia restorations requires a silane coupler.

Answer 17

False, NOn-Silica…NO-Silane

Question 18

How should the entaglio of Zirconia be prepared prior to cementation?

Answer 18

Ivoclean

or air-abrasion

Question 19

True or False: A retentive preparation for a zirconia crown allows for cementation with a conventional RMGI cement.

Answer 19

True, also makes clean-up easier because Unicem is difficult to clean up!

Question 20

True or False: Air abrasion of the internal surface will introduce surface flaws and create roughness that can lead to improved bonding.

Answer 20

True

Question 21

What are the factors that you should weigh when selecting a crown type?

Answer 21

Location---> esthetics
Margin visibility
Location--> Force
Longevity/Strength
Remaining tooth structure
Functional Habits

Question 22

The most esthetic crown options are:

Answer 22

eMax
PFZ (Zirconia-Ceramic)
FCZ (monolithic)
PFM (porc fused to metal)

Question 23

The strongest crown options are:

Answer 23

CVC
PFM with metal occlusal
PFM with porcelain occlusal
FCZ (monolithic)