Operative II-E3:Bonding and Materials Flashcards

(56 cards)

1
Q

Is a primer hydrophilic or phobic?

A

phillic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Is a primer acidic or basic?

A

acidic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Are primers monomers or polymers?

A

monomers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the two chemicals that primers are mixed with? What is their function?

A

alcohol and/or acetone…to evaporate and remove water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Function of PRIMER: to displace _______ and allow the _______ to penetrate the DENTINAL _______ matrix.

A

water….monomers….COLLAGEN

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Dentin bonding primers: Promotes infiltration into _______

A

collagen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Dentin bonding primers: transforms hydro______ to hydro______

A

phillic to phobic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Dentin bonding primers: ________ is denatured
– Proteins are ________ from dentinal fluids
– Dentinal tubule ________ is decreased

A

collagen…. precipitated…permeability

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

In our 4th gen optioned FL what was the yellow container? black?

A

yellow-primer…black adhesive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are the two types of solvent for the adhesives?

A

Ethanol and Acetone…like the primers!

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

WHICH GENERATION of Adhesives is the GOLD STANDARD???? How many steps are involved in this generation? What is an example product?

A

4th generation…3 steps-etch, primer,bonding resin…Example-OptiBond FL

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

How many steps AND What steps: 4th generation

A

3 steps-1.etch 2.prime 3.adhesive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

How many steps AND What steps: 5th generation

A

2 steps-1.etch 2.prime+adhesive….OPTIBOND SOLO PLUS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

How many steps AND What steps: 6th generation

A

2 steps: 1.Etch+prime 2.Adhesive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How many steps AND What steps: 7th generation

A

1 step: 1.etch+prime+adhesive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

6th gen-2 step: pros- ____ can be lowered enough to etch uncut enamel

A

pH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

6th gen-2 step: pros- Smaller _______/______ layer still has high initial bond strength

A

smear/hybrid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

6th gen-2 step: pros- more or less technique sensitive?

A

LESS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

6th gen-2 step: pros- does it help sensitivity?

A

YES! there is less sensativity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

6th gen-2 step: Cons-pH is limited and ______ layer is retained

A

smear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

6th gen-2 step: Cons- LIMITED ______ layer hybridization

A

smear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

6th gen-2 step: Cons- you can get ______ entrapment in the hybrid layer!!!

A

WATER

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

6th gen-2 step: Cons- long term bond _______

24
Q

7th-gen-all in one: pros— Most _______ to use

Less _______ sensitive

A

Convenient…technique

25
7th-gen-all in one: pros---Smaller _____/_____ layer still has high initial bond strength...and reduced ______
smear/hybrid...sensativity
26
7th-gen-all in one: cons....UNLIKE the 6th gen- pH is very limited and inadequate to etch uncut _______- resin compatibility
enamel
27
7th-gen-all in one: Cons----______ layer retained | Limited smear layer ________...______ absorbed into resin
smear...hybridization...water
28
7th-gen-all in one: Cons----Storage problems...Long term bond _______....Compatibility with ____ curing resins
hydrolysis...self
29
CAUSES OF HYDROLYSIS-the ______ component absorbs water!
RESIN
30
CAUSES OF HYDROLYSIS-maintaining the ______ layer
smear
31
CAUSES OF HYDROLYSIS-What are the two components of the smear layer and that substance increases activity with the smear layer?
smear layer: 70% dentin 30% bacteria...MMP activity
32
Hybrid composite has both ______ and _______ fillers
large and small
33
Microhybrid composite has mostly _____ fillers
small
34
Whats the difference between nano-composite and micro-hybrid composite?
nano has clusters of really small particles vs micro particles can only go down to the size of the nano cluster
35
NanoClusters-Larger nanoclusters do not pluck--- individual particles do Leads to better long-term _____ retention
polish
36
What is the structure of a Giomer?
Surface of the silica particle is modified with Glass Ionomer and additional elements...you can get F- release with your restoration!
37
Each tooth should appear _____ times narrower than its mesial neighbor in a frontal view....but this amount _____ is more commonly accepted in the West.
1.618...1.4 in the West
38
What are the 3 equal proportions on an aesthetic face?
1/3 forhead-glabella...1/3 glabella to subnasion...1/3 subnasion to menton
39
What is the aesthetic proportions from the subnason to the mention?
1/3 subnason to upper lip, 2/3 upper lip to menton
40
YOUNG TEETH- have lower or higher value?
higher value (brighter)
41
YOUNG TEETH- have more or less chroma?
less chroma (color)
42
YOUNG TEETH- more or less surface texture?
MORE surface texture
43
YOUNG TEETH- more or less luster?
LESS luster (less reflective)
44
YOUNG TEETH-more or less morphology?
more
45
What are 2 examples of youthful features in teeth?
1.Perikymata 2.Mamelons
46
The avg length of the upper lip on females is ___-___mm on females and ___-___mm on males...it gets ______ with age...
female-20-22mm....male22-24mm...longer
47
IDEALLY there should be ___-___mm of GINGIVAL display in a full smile...this decreases with age and loss of muscle tone..
1-2mm
48
What does the 'F' or 'V' sound evaluate?
INCISAL LENGTH
49
What does the 'E' or 'S' or '66' sound evaluate?
"speaking space" or interocclusal space/VERTICLE dimension
50
The ZENITH of each tooth's gingival arch is positioned slightly ______
distal
51
What is the #1 most important factor in Tx Planning cosmetics?
OCCLUSION!!
52
What is the optimal distance to judge a smile?
18"...speaking distance
53
What is the weakest bonding system?
Glass Ionomer
54
Which material has a very strong affinity for phosphate bonding?
zirconia
55
What two materials do you not sandblast, what do you sandblast?
do not sandlast emax or vita...sandblast zirconia
56
Do you HF for zirconia?
NO