Lab Course - Session 2 Flashcards
1
Q
What is the shortened dental arch theory>
A
WHO standard for good oral health
Retaining 20 natural teeth (10 opposing pairs)
Maintain function/ aesthetics
2
Q
When would RPD not be considered?
A
RPD just replacing molar teeth - no masticatory benefit
50% free-ended saddles not worn
3
Q
Disadvantages of RPD?
A
Increases risk of tooth wear
Plaque accumulation
4
Q
How should study cast be used to assess edentulous areas?
A
Look at size and position (which class)
Is there room for teeth
Is tooth preparation needed?
5
Q
How should study cast be used to assess undercuts?
A
To see POI/POD
To see where clasping can be placed
See where reciprocation needed
6
Q
When prescribing RPD what should your design include?
A
Extension of saddle - no and size teeth Position occlusal rest Clasp type and reciprocation Connectors Colour of acrylic base
7
Q
What is necessary to do on model?
A
Block out undercuts
