Prostheses

Question 1

Fixed prostheses are

Answer 1

tooth restorations or replacements that are cemented within, or onto a tooth

Question 2

examples of fixed prostheses are:

Answer 2

crown
bridge
veneer
inlay/onlay

Question 3

Removable prostheses are

Answer 3

all types of dentures

Question 4

examples of removable prostheses are:

Answer 4

full/complete denture

partial denture

Question 5

Dentures can be made from

Answer 5

Acrylic

chrome-cobalt metal

Question 6

Orthodontic appliances are used to

Answer 6

Align teeth within each arch and to correct the occlusion between the two jaws

Question 7

What are beebee crown shears?

Answer 7

short beaked shears for cutting and shaping the margins of temporary crowns

Question 8

edentulous impression trays are for

Answer 8

complete/full dentures. Shallower than stock trays for when there are no teeth present

Question 9

A willis bite gauge is used to

Answer 9

record the desired occlusal face height in edentulous patients, where no teeth are present to act as a guide

Question 10

Which instrument is used to adjust all metal springs and retractors?

Answer 10

Adams universal pliers

Question 11

With a fixed metal brace, what purpose do the molar bands have?

Answer 11

Molar bands and tubes are attached to the back molars for the end of the arch wire to sit within

Question 12

What is luting cement used for?

Answer 12

Bonding the bands to the molars

Question 13

Which materials are used to cement brackets?

Answer 13

Acid etch
orthodontic resin bond material
composite

Question 14

What is alginate used for?

Answer 14

Opposing arch models for crown, bridge, inlay and veneer construction
models for the construction of full and partial acrylic dentures
models for the construction of removable orthodontic appliances/retainers/study models (before and after)

Question 15

Which material may be used to construct a temporary crown but not a permanent crown?

Answer 15

Acrylic

Question 16

During denture construction, the patient will attend for a trial insertion of the dentures with the teeth set in wax rims. Which instrument is used for fine wax adjustments at this stage?

Answer 16

Le Cron carver

Question 17

What is the main benefit to the patient of having a missing tooth replaced by an implant rather than a bridge?

Answer 17

Single tooth involvement

Question 18

What type of appliance would be used by individuals with a cleft palate?

Answer 18

obturator

Question 19

What stage of a denture construction would a Willis Bite Gauge be used?

Answer 19

Bite Registration

Question 20

What would you use for taking an impression for a reline?

Answer 20

Denture

Question 21

At what stage during a crown preparation is a crown form used?

Answer 21

Provision of a temporary crown

Question 22

What are the stages of constructing an immediate denture?

Answer 22

What are the stages of constructing an immediate denture?

Question 23

When a crown preparation is being carried out by the dentist, the desired shape of the prepared tooth should be with near-parallel sides and no undercuts, to give maximum retention of the crown and to allow it to be placed onto the tooth. Which dental burs is most likely to be used for this procedure?

Answer 23

Tapered diamond bur

Question 24

When a root-filled tooth is to be restored with a fixed prosthesis, additional support is often provided for the tooth by the placement of a post system within the root canal. Which type of post system listed below does not require the post hole to be drilled before its insertion, thus reducing the risk of root fracture?

Answer 24

Filpost system

Question 25

An elderly patient attends the dental workplace and reports that she is unable to wear her year-old full lower denture for more than a few hours a day, as her mouth becomes sore beneath the denture. Following examination, the dentist takes a wash impression within the lower denture. Which procedure is most likely to be carried out to assist with the patient’s problem?

Answer 25

soft reline