dental cements,bases,liners, and bonding agents. Flashcards

1
Q

tensile

A

pulls and stretches

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2
Q

compressive

A

pushes or compresses

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3
Q

shearing

A

slides

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4
Q

ductility

A

ability of a material to with stand forces of tensile stress without failing

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5
Q

galvanism

A

when two different metals are present in the mouth,potential for small electric shock

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6
Q

microleakage

A

saliva and debris seep between the tooth structure and restorative materials causing recurrent decay and tooth sensitivity

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7
Q

thermal conductivity

A

the ability of materials to transmite heat

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8
Q

thermal exspansion

A

the temperature changes and materals exspand and contract

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9
Q

viscosity

A

the material is the ability of liguide toflow

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10
Q

wettability

A

the ability of a material to flow over a serfice

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11
Q

luting

A

bonding or cementing together

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12
Q

permant luting cement

A

long term

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13
Q

temparary luting cement

A

short term

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14
Q

intermediate luting cement

A

6 month to a year

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15
Q

liner

A

placed in thin layer on the walls and floors of the cavity prep protects the pulp from bacteria and irritants.

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16
Q

base

A

putty or thick layer between the tooth and restoration to protect the pulp

17
Q

seditive or pallative effect

A

may releive pain but doesnt heal

18
Q

varnish

A

thin layer of material that is placed to seal the walls and floor of the cavity prep.

19
Q

zink phosphate

A

mixed on glass slab, liquide is acidic and irritating to the pulp,so must be protected with base and liners.

20
Q

of all cement mixing ? is the most cridical

A

zink phospate.

21
Q

(zoe) ZINK OXIDE EUGENOL

A

type I noted for its seditive or soothing effect. TEMPORARY CEMENT

22
Q

IRM intermediate restorative material

A

type III placed in patents mouth and last up to a year. TEMPORARY RESTORATION.

23
Q

a ? may be used to control the setting time

A

glass slab

24
Q

polycarboxylate

A

cement or base, gather material mix into homogenous mass spread over small area repeat.

25
Q

polycarboxylate has a mixing time of

A

30 to 60 seconds and have a working timeof three minutes after that may become cobwebs loss its shine and become stringy. Has fluoride

26
Q

Calcium hydroxide material DYCAL

A

Has a therapeutic effect on the pulp the area is sealed so that the secondary dentine may form

27
Q

Calvary varnish

A

To seal the Denton tubules

28
Q

Contains organic solvents.
Ether, acetone, or chloroform
Used only under medal restorations
Varnish may interfer with setting action.

A

Copland varnish

29
Q

Enchants

A

Enhance retent/bonding used befor the placement of bonding agents
Comprised of a 30 to 40 percent phosphoric acid solution LIGUID OR GEL

30
Q

Bonding agents / adhesives

A

Used to improve the retention between the tooth structure ( enamel and dentin) and the restoration

31
Q

Smear layer

A

When the dentin is cut with but during the cavity preparation

32
Q

Healthy teeth register on the fiagnodent pen

A

Low ready low fluorescent

33
Q

Pupal wall

A

The wall that overlies the pulp

34
Q

Outline form

A

Designates overall shape of the cavity preparation

35
Q

Cleansing or debribement of the cavity preparation

A

Spray n rinse cavity preparation

36
Q

Cavity liners often called

A

Low strength bases

37
Q

Calvary varnish

A

Seal the dentin tubules, if medicated bases are used varnish is placed on these material

38
Q

Cement bases are mixed

A

To a thick putty consistency and place in cavity prep to protect the Pulp

39
Q

Cement bases are often referred to as

A

High strength bases