Ch 45 Exp Func Flashcards Preview

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Flashcards in Ch 45 Exp Func Deck (46):
1

Smear layer

Send layer of debris on newly prepared Dentin

2

Hybrid

A composite material made up of a combination of particles of various sizes

3

Etching

The process of breaking down or removing enamel rods with the use of an acid product (maleic/phosphoric)

4

Polymerization

The process of bonding two or more monomers

5

Desiccate

To remove all moisture from an item

6

Micromechanical

The union of a material and a structure with the use of minute cuttings

7

Obliterating

The process of removing completely

8

Retention

A way of holding a restoration in place

9

The purpose of a dental liner is what

To protect the pope from any type of irritation

10

What tooth structure is calcium hydroxide placed

Dentin

11

What is not a unique characteristic of calcium hydroxide

Replaces the need for Denton sealer

12

What is the main ingredient in varnish

Resin

13

Which supplemental material is contra indicated under composite resin is in glass ionomer restorations

Varnish

14

What's another name for a Denton sealer

Desensitizer

15

What does the Denton sealer seal

Denton tubules

16

What does an insulating base do

Protects the pope from thermal shock

17

Where is the base placed in or on in a cavity prep

Pulpal floor

18

What dental instrument is used to adapt a base into a cavity prep

Condenser

19

What is the purpose of a dental bonding material

Bond restorative materials to the tooth structure

20

What's an example of an enamel bonding procedure

Orthodontic brackets, sealants,

21

What must be removed from tooth structure before bonding material can be placed on Denton

Smear layer

22

What is the sequence recommended for the application of supplementary materials for a deep restoration

Liner, bass, Denton sealer, bonding system

23

Physical stimuli

Thermal changes electrical changes

24

Mechanical stimuli

Vibrations from handpiece, dramatic occlusion, added pressure placed on specific area of tooth

25

Chemical stimuli

From acid materials such as saliva reaching pulpal tissue

26

Biologic stimuli

Bacteria from saliva coming into contact with purple tissue/Not all carious structure removed

27

Where is dental liner placed

Deepest portion of prep goes in first

28

What does varnish do

Seals dentinal tubules, reduces microleakage, acts as a barrier to protect you from acidic cements

29

Can varnish be used under composite

No

30

What does fluoride varnish do

Gel like substance that releases fluoride on enamel, route structure, Denton structure

31

What is another name for desensitizer

Primer

32

Do you use a desensitizer if you are using varnish

No

33

What does a desensitizer do

Prevents oral fluids from seeping between tooth and restoration

34

Can a desensitizer be used under all direct and indirect restorations

Yes

35

Protective base

Placed when necessary to protect pulp before restoration is place

36

Zinc oxide eugenol

Used as insulating/sedative base, Cannot be used under composite resin glass ionomer or other resin restorations

37

Zinc phosphate

Provides thermal insulation contains phosphoric acid liner underneath

38

Polycarboxylate

Protective an insulating non-irritating to poke placed under all types of restorations

39

Glass ionomer

Excellent adhesion to an animal in Denton Fluoride release bond strength

40

What are the three functions of calcium hydroxide

Secondary Denton, protects pulp, compatible with all restorative materials

41

What are the different types of materials used for a base

ZOE, ZNP 04, polycarboxylate, glass ionomer, resin modify glass ionomer

42

About how much of the pulpal floor in thickness should be covered

1 to 2 mm

43

What is etch used for

Reparation for the use of bonding material

44

Why is an etchant placed

To remove the smear layer

45

Bonding works best on what kind of surface

Slightly moist

46

What shouldn't the bonding come in contact with

Saliva blood or debris