Prosthodontics.

Question 1

Definition of Prosthodontics.

Answer 1

This is a branch of dentistry that is concerned with the functional and aesthetic rehabilitation of missing teeth by artificial replacement of those teeth and adjacent tissues.

Question 2

Types of prosthodontics.

Answer 2

Fixed and Removable.

Question 3

Examples of fixed prostho.

Answer 3

Crown, bridge, implants.

Question 4

Examples of removable prostho.

Answer 4

Dentures (full and partial.)

Question 5

Construction of a denture.

Answer 5

1) assessment and tx plan. 2) primary impressions. 3) secondary impressions. 4) metal framework trying (cobalt chrome dentures). 5) jaw relationship 6) denture trial 7) denture fit 8) denture fit check.

Question 6

1) Assessment and tx plan.

Answer 6

Full exam, Medical hx, reason for dentures, tx plan.

Question 7

2) Primary impressions.

Answer 7

Made from alginate, used to create study models.

Question 8

3) Secondary impressions.

Answer 8

Made from PVC or imprigum on custom trays, impressions made for increased accuracy and better fit for denture.

Question 9

4) metal framework trial.

Answer 9

This is only done for cobalt chrome dentures. This allows the denture framework to be constructed with better retention and more comfort.

Question 10

5) Jaw relationship.

Answer 10

A wax denture model is made. Any changes can be made in relation to fit, height, shape and colour of teeth at this stage.

Question 11

6) Denture try-in stage.

Answer 11

The patient places the denture into their mouth and feels the comfort and overall fit of the denture.

Question 12

7) Denture fit.

Answer 12

Patient is given the final prosthesis. Care instructions and OHI are given to the patient.

Question 13

8) Denture fit check.

Answer 13

The patient comes a week later for a follow-up appointment. Here the patient can relay if there have been any problems or concerns with the denture.

Question 14

Post-op instructions for dentures.

Answer 14

Take out before bed, use soft bristle brush to clean, use denture cleaning solution to keep it overnight (sterident), wash over a sink full of water, rinse inbetween meals.

Question 15

What will happen if dentures aren’t taken care of correctly?

Answer 15

Periodontis, gingivitis, denture stomotitis, candida albicans, ulceration.

Question 16

What is an obturator?

Answer 16

This is a denture used to cover the nasal cavity or the throat.

Question 17

What is a crown?

Answer 17

An artificial structure for a single tooth that is usually covering the enamel.

Question 18

What are the indications of placing a crown?

Answer 18

Aesthetics, excessively worn teeth, gross caries, root canal treatment.

Question 19

Types of crowns.

Answer 19

Full gold, porcelain fused to metal, full ceramic.

Question 20

Full gold crown Pro/Cons.

Answer 20

Least amount of tooth prep needed, strongest material.

Not as aesthetic.

Question 21

Porcelain fused to metal Pro/Cons.

Answer 21

Good mechanical strength, less tooth prep, less chances of crack.
Less aesthetic as you can see metal on the margin.

Question 22

Full ceramic/porcelain crown Pro/Cons.

Answer 22

Aethetic, usually on anterior teeth.

Brittle, large tooth preperation.

Question 23

What is a dental bridge?

Answer 23

This is a small partial denture that is permanently cemented onto the teeth. It replaces edentulous spaces in the oral cavity.

Question 24

Types of bridges.

Answer 24

Fixed bridge, Maryland bridge, spring canteliver bridge, direct canteliver bridge.

Question 25

Maryland bridge-

Answer 25

This type of bridge has the pontic in the middle with two extending wings on either side to be cemented on prepared abutments.

Question 26

Spring Cantilever bridge-

Answer 26

Pontic is retained only on one side by an abutment tooth.

Question 27

Definition of dental implants.

Answer 27

These are titanium devices that are surgically inserted into the jaw bone and then acts as an anchor for the attachment artificial tooth.

Question 28

Definition of osseointegration.

Answer 28

This is a functional and structural connection between living bone and the surface load-bearing artificial implant.

Question 29

What are the assessment steps for prostho?

Answer 29

Full med/den/soc history.
Full examination.
X-rays
Options, commitment, tx plan, cost.
Consent
Next app details.

Question 30

What treatment may happen before prosthodontic work?

Answer 30

Debridement
Extraction
Restorations
Root canal
Crown lengthening.

Question 31

What is a post and core treatment?

Answer 31

A post and core is an endodontic pin that is placed into the root canal to provide support to grossly decayed teeth.

Question 32

Difference between inlay and onlay?

Answer 32

Inlay- lies inside the cusps tips.

Onlay- restores more than one cusp and the occlusal surface of a tooth.

Question 33

Pavania/ Nexus ADV and DIS?

Answer 33

ADV- Mechanical and chemical bond is good, bonds directly to enamel/dentine, can be set by polymerization.
DIS- expensive, hydrophobic, short working time.

Question 34

What are the functions of a prosthesis?

Answer 34

Mastication, aesthetics, function.