Denture Techniques Study Cards (First Year Student)

Front 1

______ is a psychological reaction some patients encounter upon becoming edentulous (loss of teeth).

Back 1

Trauma

Front 2

Final impressions are taken using ____ impression trays.

Back 2

Custom impression trays

Front 3

The baseplate is sent to the dentist with the occlusal rim attached

Back 3

True

Front 4

Tooth shade and mold should be decided by the lab technician before the occlusal rim try-in.

Back 4

True

Front 5

Which of the following materials should be only utilized during the taking of preliminary impressions?

Back 5

Agar hydrocolloid

Front 6

Preliminary impressions materials can only be used to pour _____ model(s).

Back 6

One

Front 7

The most popular final denture impression materials is a _____

Back 7

Polysulfide (rubber base)

Front 8

____________ is a reversible impression material

Back 8

Agar Hydrocolloid

Front 9

During the 2nd wax bite rim try-in the teeth are set in the wax bite rims.

Back 9

True

Front 10

Master model casts are poured from the final impressions before....

Back 10

the 1st wax bite rim try in

Front 11

Occlusal rims, wax bite rims, record bases with occlusal rims, base plates with bite rims, are terminology not referring to the same product.

Back 11

False... They are all referring to the same product.

Front 12

What model pouring procedure would you use for mandibular preliminary impressions?

a. Two stage

b. bead and box

c. dump and slump

d. upright

Back 12

Two stage

Front 13

What model pouring procedure would you use for maxillary preliminary impression?

a. Two stage

b. bead and box

c. dump and slump

d. upright

Back 13

Upright

Front 14

What model pouring procedure should not be used?

a. Two stage

b. bead and box

c. dump and slump

d. upright

Back 14

Dump and slump

Front 15

Put the following steps for denture construction in order.

- Models with bite rims are articulated, and wax up is completed.

- Preliminary models are poured

- Baseplates with with bite rims are constructed

- Final impression is taken

- Wax try-in at Dr.'s office (with teeth)

Back 15

1.) Preliminary models are poured

2.) Final impressions are taken

3.) Baseplates with bite rims are constructed

4.) Models with bite rims are articulated and wax up is completed

5.) Wax try -in at Dr.'s office (with teeth)

Front 16

True or false: Most patients are better off with dentures than semi-healthy natural dentition.

Back 16

False. Dentures have only about 30% natural mastication of natural dentition.

Front 17

Match A, B and C with 1-6

A) Outer border of the tray

B) Outer border of the relief material

C) Depth of the periphery

1) First Drawn Blue line

2) First line you draw (red) reference line only

3) Tray is trimmed to this line

4) Second drawn blue line

5) Placed 2mm from the depth of the periphery

6) Placed 4mm from the depth of the periphery

Back 17

1) [First drawn blue line]

A (Outer border of the tray)

2) [First line you draw (red) reference line only] C (Depth of the periphery)

3) [Tray is trimmed to this line]

A (First drawn blue line)

4) [Second drawn blue line]

B (Outer border of the relief material)

5) [Placed 2mm from the depth of the periphery]

A (Outer border of the relief material)

6) [Placed 4mm from the depth of the periphery]

B (Outer border of the relief material)

Front 18

When making custom trays and baseplates, undercuts of all preliminary models can be blocked out with water and a 1:1 ratio of plaster/pumice mix. True or false?

Back 18

True.

Front 19

A custom tray is used for a preliminary impression when making dentures. True or false?

Back 19

False

Front 20

One of the following is a function of the baseplate during:

a. Processing

b. Denture wax-up

c. Wax try-in

d. All of the preceding

Back 20

All of the preceding.

Front 21

True or false: Preliminary models are blocked out prior to making the baseplate in order to prevent breakage of the baseplate when it is removed.

Back 21

False.

Front 22

True or false: stabilization is normally accomplished using an autopolymerizing acrylic.

Back 22

True

Front 23

Other names for denture baseplates are....

Back 23

Temporary base, Trail base, record base.

Front 24

True or false: Does stabilization add stability to the baseplate?

Back 24

Duh.

Front 25

After applying stabilization material is placed in the pressure pot, True or false?

Back 25

True

Front 26

Where is the cold cur acrylic placed during stabilization?

Back 26

Inside of the baseplate to adapt it to the tissue better.

Front 27

The occlusal rim we make in the lab (specific) is called the _____ type rim.

Back 27

Rolled baseplate wax

Front 28

Angle measured from the *mandibular* periphery at the midline to occluding surface

Back 28

15 degrees

Front 29

The distance from mandibular periphery at the midline to the occluding surface

Back 29

18 mm

Front 30

Angle measured from the *maxillary* periphery at the midline to occluding surface

Back 30

5 degrees

Front 31

The distance from mandibular periphery at the midline to the occluding surface

Back 31

22 mm

Front 32

True or false: The line bisecting the retromolar pads horizontally is marked while looking from the anterior of the model

Back 32

True

Front 33

True or false: The cuspid eminence is marked on top of the ridge where the anterior portion of the ridge meets the posterior

Back 33

False

Front 34

When the technician draws the line on the land area adjacent to the retromolar pads looking from the anterior of the model, he/she is trying to establish a/an:

Back 34

Left/right

Front 35

True or false: The lined marked on the land areas at both the retromolar and cuspid areas approximates where the crest of the ridge is.

Back 35

True

Front 36

The anterior height of the mandibular rim is ___mm at 4-6 mm from the midline at the deepest part of the periphery to the occlusual plain

Back 36

18 mm

Front 37

The maxillary wax rim facial angle at the midline is ____ degrees

Back 37

5 degrees

Front 38

The wax occlusual rims serve as a record for _________ ?

Back 38

Vertical opening, smile line, midline and occlusual plane placement

Front 39

True or false: the correct definition for occlusual rims is: Occluding surfaces built on maxillary and mandibular dentures.

Back 39

False

Front 40

What are some characteristics of fully adjustable and semi-adjustable articulators?

Back 40

Adjustable condylar guidance, Adjustable guide pin table

Front 41

What are some characteristics non-adjustable articulators?

Back 41

No adjustments, fixed condylar guidance.

Front 42

What articulator type is used for full mouth reconstruction, mostly in crown and bridge?

Back 42

Fully adjustable.

Front 43

The side shift is also know as the ______ shift

Back 43

Bennett

Front 44

True or false: articulators are designed to show the position of the maxilla in relation to the condyles.

Back 44

True

Front 45

Most denture cases are articulated using the _______ setting

Back 45

Arbitrary

Front 46

Arbitrary condylar setting of ____ is used for Pilkington/turner denture teeth

Back 46

30 degrees.

Front 47

The assumption is made when designing articulators that all jaws fall within the Bonwill triangle which is a _x_x_ triangle

Back 47

4x4x4

Front 48

What is the first thing you do during arbitrary mounting procedures is to _____ the working models

Back 48

Index the models

Front 49

True or false: The curve of spee in an edentulous patient is established by tooth setting procedures

Back 49

True.