RPD Review Questions

Questions 21-30


Question #21

For maxillary major connectors, except where plating is used, the border of the major connector should be at least ______ mm away from the gingival margin.

1

3

5

6

 


Question #22

For the anterior-posterior palatal strap maxillary major connector, the anterior, posterior, and lateral straps should be about ______ mm wide.

4-6

6-8

8-10

at least 10

 


Question #23

The basic philosophy of dental treatment for a partially edentulous patient is to

preserve what remains and restore what is missing

replace the missing teeth

improve the path of insertion

reshape rotated teeth

 


Question #24

It is best not to use a balanced occlusion when mandibular RPDs oppose maxillary complete dentures.

True

False

 


Question #25

The function of the guide plate is to

help establish a definitive path of insertion/dislodgement.

stabilize the RPD by controlling its horizontal position.

provide contact with the adjacent tooth.

all of the above

 


Question #26

What is the design error in the maxillary RPD framework shown to the right?

The anterior teeth should have been plated.

An anterior-posterior palatal strap major connector should have been used.

There should be a cast circumferential clasp on tooth #6.

The posterior border of the major connector should cross the palate at right angles to the midline.

 


Question #27

What would be the best denture base connector when there is limited interocclusal space (<3 mm).

Open latticework

Meshwork

All metal base

All plastic base

 


Question #28

The first consideration in developing occlusion is the evaluation and establishment of the correct position of the occlusal plane. This may be compromised by super-erupted and malposed teeth.

True

False

 


Question #29

Your patient's partially edentulous arch is depicted in the illustration to the right. The missing teeth (with the exception of the third molars) were extracted three weeks ago. What would be the best denture base/replacement teeth combination in this instance?

Open latticework

Metal bases with beads for attachment of processed tooth colored acrylic resin.

An all metal base

Tube teeth

 


Question #30

A wrought wire clasp is NOT used in which of the following situations?

On a terminal abutment of an extension RPD.

As an embrasure clasp.

On a tooth with an indirect retainer on it.

Both 1 and 2 above.

 


On to Questions 31 through 40