Tutorial 10b - RPD clinical problem solving Flashcards
LOs
1
reasons why primary + secondary impression may be deemed clinically unacceptable?
Hint
Think about manipulation of the impression materials, trays, poor surface details etc
2
What anatomical landmarks should be present in maxillary and Mandibular impressions?
What landmarks on the primary cast help determine the correct extensions for special trays?
CHECK IF ANSWER IS CORRECT
MAXILLARY
- Hamilcar notch
- maxillary tuberosity
- fovea
- sulcus
- fraena
- incisive papilla
- palatal reggae
- palatal raphe
- alveolar ridge
- teeth
MANDIBULAR
- retromolar pad
- pear shaped pad
- retromylohyoid fossa
- alveolar ridge
- sulci
- fraena
- teeth
Explain how to deal with under extended and overextend stock trays and special trays?
If a cobalt chromium dentine framework is not seating, what should you check?
If a cobalt chromium dentine framework is not seating, what adjustments should you make?
Common areas that prevent a cobalt chromium denture framework from seating?
- under rests - (if a void is present, acrylic may flow into the void)
- interproximal minor connectors
- interproximal parts of lingual plate
Acrylic denture not seating
What should you check?
Acrylic denture not seating
Common areas that prevent seating?
- collets
- undercut flanges
- undercuts not blocked out between teeth
Acrylic denture not seating
How are adjustments made?
- adjustments are made using spray powder/ disclosing wax and an acrylic burr
How can you determine clinically whether the occlusion is correct in the completed denture?
Consequences of incorrect bite registration
Causes of high occlusion?
How to correct high occlusion?
RPD Review stage possible problems + solutions?