Partial denture survey

Question 1

What is used to determine relative parallelism of surfaces on a dental cast?

Answer 1

analyzing rod

Question 2

What is used to mark the height of contour on one or more surfaces of a dental cast?

Answer 2

carbon marker

Question 3

What are used to identify the positions of desired undercuts on dental casts?

Answer 3

undercut gauges

Question 4

What is used during blackout procedures and in the construction of surveyed restorations?

Answer 4

wax knife

Question 5

What is used to hold a dental cast and allows tipping or tilting with its ball and socket joint?

Answer 5

surveying table

Question 6

Anteroposterior palatal strap should never be less than __mm wide.

Answer 6

8 mm

Question 7

As a general rule, maxillary major connectors ____ the underlying soft tissue?

Answer 7

intimately contact

Question 8

What is the portion of a tooth that lies between the height of contour and the gingiva?

Answer 8

undercut

Question 9

Where the undercut is located is called ___?

Answer 9

infra bulge

Question 10

Definition: prevents RPD movement toward the tissue?

Answer 10

support

Question 11

Definition: resistance to horizontal components of force (minor connectors and occlusal rests)?

Answer 11

stabilization

Question 12

Definition: resistance to dislodgement in a vertical or occlusal direction (retentive arm, direct retainer)?

Answer 12

retention

Question 13

Definition: prevents tooth movement; >180 degrees

Answer 13

adequate encirclement

Question 14

Definition: counteracts the force of the retentive clasp during seating?

Answer 14

reciprocity

Question 15

Definition: the clasp should not place any force on the tooth when the RPD is completely seated?

Answer 15

passivity

Question 16

In a combination clasp, the material selected is usually ___ gauge PGP wire.

Answer 16

18 guage

Question 17

Definition: axis that passes through rests of the most posterior abutment teeth?

Answer 17

fulcrum line