Materials Final

Question 1

What dental wax is supplied in sheets and can be used to record the occlusal rim for dentures

Answer 1

Baseplate wax

Question 2

What can be used under direct and indirect restorations

Answer 2

Desensitizer/primer

Question 3

Guidelines for mixing dental cement

Answer 3

Read instructions, determine use and measure powder and liquid with powder and liquid on opp sides, divide powder in small increments

Question 4

What type of crown doesnt cover the entire anatomic portion of the mouth

Answer 4

Three-quarter crown

Question 5

You can lengthen or extend the borders of the impression tray by using what

Answer 5

Utility wax

Question 6

What is the powder to water ration for high strength stone

Answer 6

100 stone to 19-24ml water

Question 7

When a patient has a three unit bridge what is used to clean under the Pontic

Answer 7

Bridge threader

Question 8

Physical pulpal stimuli

Answer 8

Thermal changes/electrical energy

Question 9

Mechanical pulpal stimuli

Answer 9

Vibrations from handpiece during prep, traumatic occlusion

Question 10

Chemical pulpal stimuli

Answer 10

Acidic materials

Question 11

Biologic pulpal stimuli

Answer 11

Bacteria from saliva contacting pulpal tissues

Question 12

How are elastomeric impression materials mixed

Answer 12

Pad/spatula, gun

Question 13

Abutment

Answer 13

Natural tooth serves as support for replacement tooth

Question 14

Pontic

Answer 14

Artificial tooth replaces missing natural tooth

Question 15

Can intrinsic stains or severe tetracycline stains be bleached

Answer 15

Yes

Question 16

What type of indirect restoration is designed to fit snugly within a tooth preparation such as a class 2, covering only a portion of the occlusal and proximal surface

Answer 16

Inlay

Question 17

What type of impression tray covers half of a dental arch

Answer 17

Quadrant tray

Question 18

What type of impression material is used when an accurate impression is essential

Answer 18

Final impression, elastomeric

Question 19

What type of cement is most versatile

Answer 19

Glass ionomer

Question 20

Acid etching utilizes etchant that contains what type of acid

Answer 20

Maleic acid/phosphoric acid

Question 21

What is the purpose of provisional coverage

Answer 21

Temporary crown restores and maintains function to certain areas keep patient comfortable during tooth preparation/final cementation

Question 22

What can be used if decay has extended into or is close to the pulp

Answer 22

Liner, base, desensitizer

Question 23

The retromolar area, lingual frenum, and the mylohyoid ridge must be seen in which impression

Answer 23

Mandibular Alginate impression

Question 24

What cements can be light cured

Answer 24

Composite resin, glass ionomer

Question 25

Cure

Answer 25

Setting process of dental material initiated by chemical reaction or buy light in blue waves spectrum

Question 26

What can be used for core buildup

Answer 26

Amalgam, reinforced glass ionomer, self curing composite

Question 27

For quick bleaching results which method would be best

Answer 27

In office treatment

Question 28

Maryland bridge/resin bonded bridge

Answer 28

A pontic with wing like extensions from mesial/distal sides

Question 29

What type of tray is used for the reversible hydrocolloid

Answer 29

Water cooled tray

Question 30

If placing a post for retention aid, what procedure would have had to have been done prior

Answer 30

Core buildup, enlarging the treated pulp canal/keying slots on adjacent Dentin

Question 31

Example of enamel bonding

Answer 31

Placement of sealants, bonding of ortho brackets, use of resin bonded bridges

Question 32

When using zinc phosphate as a base what is used first

Answer 32

A liner

Question 33

Why do you keep the Alginet impression moist before pouring it up

Answer 33

Will provide an atmosphere Close to 100% relative humidity causing the least amount of distortion

Question 34

The cervical margins of the provisional should have no more then how many millimeters of space between the provisional and the margin of the prepped to

Answer 34

0.5 mm

Question 35

Which type of ZOE is used for the cementation of provisional coverage

Answer 35

Type one, temp luting cement

Question 36

When and how is varnish applied

Answer 36

Applied with small disposable applicator after liner is applied

Question 37

Microleakage

Answer 37

Microscopic leakage at the interface of the tooth structure and the sealant or restoration

Question 38

When cementing bonded brackets, what type of glass ionomer cement is used

Answer 38

Type five

Question 39

If the patient needs to wear a provisional coverage for a longer period of time what procedure might they have had

Answer 39

Implants or Perio therapy

Question 40

Pre-fabricated Preformed polymer crown

Answer 40

Use a polymer shell filled with hybrid composite resin material

Question 41

Pre-fabricated poly carbonate crown

Answer 41

Only anterior's varying sizes when appearance is important

Question 42

Pre-fabricated stainless steel crown

Answer 42

Aluminum primary posterior restoration when strength is essential in color match is not a concern

Question 43

What is the most common and natural looking provisional coverage used for crown and bridge preparations

Answer 43

Custom/polycarboxylate

Question 44

Calcium hydroxide (Dycal) uses and what is it compatible with

Answer 44

Cavity liner, protect pulp from chemical irritation, stimulates production of reparative or secondary Denton, compatible with all types of restorative material

Question 45

About how many years does tooth whitening last

Answer 45

3 to 5 years

Question 46

In office teeth whitening

Answer 46

One hour best treatment

Question 47

At home teeth whitening

Answer 47

Two weeks second best (under care of Dentist)

Question 48

Over the counter teeth whitening

Answer 48

Brush On: minimum amount whitening strips: 7 to 10 days trays with gel: affordable, similar to dental office

Question 49

Where shouldn't the provisional crown extend below

Answer 49

Margin of the preparation

Question 50

What can dental varnish do

Answer 50

Seal Denton tubules and reduce microleakage

Question 51

Model trimmer

Answer 51

Used to trim stone or plaster models, abrasive grinding wheel

Question 52

How will gypsum material be affected if water is added after the mixing process has begun

Answer 52

The crystallization (setting) process will be disturbed and won't have desired strength

Question 53

What is this smear layer and wet material removes it

Answer 53

Very thin layer of debris on newly prepped Denton and acid etch and is used to remove it

Question 54

Permanent cement are used for looting what types of restoration

Answer 54

Long term cementation of permanent cast restorations (inlay, crown, bridges, laminate veneers, ortho fixed appliances)

Question 55

Indications for provisional coverage

Answer 55

Prevent/reduce sensitivity/discomfort of prepped tooth/surrounding tissue, maintain function/aesthetics, protect margins of prep, prevent shifting of adjacent/opposing teeth

Question 56

What do insulating bases protect the tooth from

Answer 56

Thermal shock

Question 57

What can be cemented into the pulpal canal and can be made from an acrylic pattern by a lab technician

Answer 57

A cast post

Question 58

What is the purpose of a core build up

Answer 58

Used when tooth is vital, supports the cast crown and provides a larger area of surface retention for cementation of crown

Question 59

What type is a looting cement classified as and what does it act as

Answer 59

Type one, acts as an adhesive to hold together the indirect restoration and the tooth structure

Question 60

Which type of cement is used with provisional coverage

Answer 60

ZOE type one

Question 61

Why are protective bases placed

Answer 61

Additional layer in restoration process used to protect pulp went to the prep is moderately deep too deep

Question 62

When one or more teeth are missing from the same arch or quadrant a permanent what would be recommended

Answer 62

Crown and bridge or fix prosthodontic or fixed bridge

Question 63

What type of glass ionomer used for restoring an area of erosion near the gingiva

Answer 63

Type two

Question 64

What is placed under a porcelain restoration to mask tooth discoloration

Answer 64

Opaquer

Question 65

What would be an indication for fixed prosthodontics

Answer 65

Supportive tissues healthy, suitable abutments present, patient in good health, patient has skills/motivation for good oral hygiene, one or two adjacent teeth missing same arch

Question 66

Procedure/application of acid etchant material

Answer 66

Liquid or gel with syringe type applicator, 15 to 20 seconds recommended time for placement, placed on enamel and/or Denton in prep for bonding composite resin or sealant

Question 67

Application and uses for desensitizer

Answer 67

Used to prevent or treat hypersensitivity (primer), used instead of varnish, seals dentinal tubules preventing oral fluids from sleeping between tooth and restoration. Use sparingly no materials contact soft tissue

Question 68

Where is the varnish applied in the cavity prep

Answer 68

After liner applied within entire prep, thin coating on walls, floors, and margin

Question 69

Dental materials that are applied while still pliable and can be adapted are classified as what

Answer 69

Direct restorative materials