Saddles, connectors and retainers Flashcards
1
Q
What are the benefits of an acrylic denture ?
A
- Low cost
- Easily modifiable - you can easily add teeth to them
2
Q
What might be an indication for an acrylic denture ?
A
- Where life expectancy may be short
- If addition is likely
- Where there is few remaining teeth
3
Q
Benefits of CoCr dentures
A
- Strong and rigid in thin section
- Less bulky
- More hygienic
4
Q
Disadvantages of CoCr dentures
A
- More expensive
- Difficult to add to
- Require very accurate impressions
5
Q
What is the aim of prosthodontics treatment
A
- To construct an appliance which is stable, retentive and doesn’t damage the oral tissues
6
Q
What is the saddle?
A
- The part of the saddle which will hold the artificial teeth and replaces the lost tissue
7
Q
What is a free end saddle ?
A
- Free end saddles are saddles which will an abutment tooth at the mesial end of the saddle
8
Q
What is the critical abutment tooth?
A
- The critical abutment tooth is a tooth which - if lost - will change the saddle from a bounded to a free end saddle
9
Q
What is a connector ?
A
A part of the partial denture which unites other components
10
Q
Features of a major connector
A
A plate or a bar which :-
- unites partial denture saddles
- provides bracing
- provides indirect retention
- acts as a splint
11
Q
Which materials can you make a major connector from?
A
Acrylic
Cobalt Chrome
Gold
12
Q
Major connectors for lower partial dentures
A
- Lingual plate
- Dental Bar
