Deck 19: Dental Laboratory Procedures

Question 1

The position of the mandible as far posterior as possible while in occlusion is called

A) centric relationship
B) biting on the posterior teeth
C) retrusion
D) protrusion

Answer 1

retrusion

Question 2

A full mouth denture set replaces all the teeth in the maxillary or mandibular arch.

Answer 2

False

Question 3

The purpose of the denture flange is to replace the gum tissue.

Answer 3

False

Question 4

The material used in an impression tray to retain the impression material in the tray is a/an

A) spacer
B) stop
C) adhesive
D) molding

Question 5

A circumferential retainer is a

A) projection that sits atop an abutment
B) clasp that encircles a tooth
C) type of orthodontic headgear
D) connector that goes across the palate

Question 6

A single denture is an acrylic denture prepared to fit on the bony ridge and gingiva while attached to the remaining teeth.

Question 7

A partial appliance

A) is under construction and not yet completed
B) replaces one or more teeth, but not all teeth, in an arch
C) replaces all teeth in one arch, but teeth remain in the other arch
D) is the base of a denture

Question 8

The denture post dam provides

A) stabilization
B) suction seal
C) pink gum tissue
D) white teeth replacement

Question 9

Inlays, onlays, veneers, and crowns are all

A) porcelain fused to metal
B) post and core
C) temporary restorations
D) fixed prostheses

Question 10

A wax setup is

A) hardened inlay wax
B) a sample denture
C) the gum tissue base that eventually will receive denture teeth
D) none of the above

Question 11

A type of denture that may be placed in the presence of natural teeth is called a/an

A) single denture
B) immediate denture
C) overdenture
D) none of the above

Question 12

The purpose of the abutment is to

A) stabilize a prosthesis
B) replace one tooth
C) replace teeth on both sides of the mouth
D) none of the above

Question 13

A facebow is a measurement device used to record occlusal positioning.

Question 14

The height of the denture teeth while in occlusion is called

A) smile line
B) cuspid eminence
C) vertical dimension
D) centric relationship

Question 15

Festooning is

A) a collection of pus
B) shaping wax to re-create gingival tissue
C) the suction seal of a denture
D) none of the above

Question 16

A unilateral partial denture replaces

A) one tooth on each side of the mouth
B) all of the teeth in one arch
C) teeth on one side of the mouth only
D) none of the above

Question 17

The number of denture teeth viewed while the patient is smiling is called

A) centric relationship
B) smile line
C) cuspid eminence
D) vertical dimension

Question 18

New CAD/CAM technologies have greatly improved techniques in impression taking.

Question 19

A single denture is another term for a partial denture in that some natural teeth remain in the arch receiving the single denture.

Question 20

A removable partial denture

A) is also called crown and bridgework
B) is cemented in the mouth
C) replaces all teeth in one arch
D) can be removed at will by the patient

Question 22

The purpose of the pickling solution is to

A) prepare the die
B) melt the wax pattern
C) remove film from the cast restoration
D) allow easy removal of the wax pattern from the die

Question 23

The correct order for casting a restoration is

A) die, wax pattern, investment, casting
B) sprue, dowel, liner, wax elimination
C) casting ring, liner, sprue, casting
D) investment, pickling, casting, wax elimination

Question 24

The purpose of flux is to

A) increase the heat during casting
B) retard the advance of the solder
C) help join the two metals
D) protect the alloy from oxidation

Question 25

The melting, shaping, and forming of wax rims to simulate functional and esthetic gingival tissue is a procedure called

A) festooning
B) muscle trimming
C) plating
D) casting

Question 26

Which computer technology acquires three views per tooth.

A) CEREC AC with Bluecam
B) E4D Dentist
C) LAVA COS
D) iTero

Question 27

The desirable use zone for a blowtorch is

A) Zone I
B) Zone II
C) Zone III
D) Zone IV

Question 28

The coolest part of the flame of a blowtorch is

A) Zone I
B) Zone II
C) Zone III
D) Zone IV

Question 29

A die is

A) an exact wax pattern of the prosthesis
B) a stone replica of the tooth preparation
C) a post used as a handle during carving
D) a channel for melted metal

Question 30

A veneer covers

A) the facial surface
B) all surfaces of a tooth
C) all surfaces except the facial surface
D) tooth cusps