Free End Saddle Flashcards
0
Q
What are the main problems with fee end saddles?
A
Missing posterior abutment so:
Provision of support during functions loading
Creating of adequate retention
1
Q
Which Kennedy classes have free end saddles?
A
1 and 2
2
Q
How can you overcome problems of free end saddle?
A
- Saddle design
- Impression technqie
- Flexible connection
- Prescient attchmemt
- RPI
3
Q
What feature of the saddle design can we change?
A
- Use narrow posterior teeth
2: omit 1/2 posterior teeth unless need teeth to occlude on - Maximum soft tissue coverage: buccal and lingual sulcus and into external oblique ridge,m2/3 up retro molar pad on the pear shaped pad region. Upper denture on to Hamilcar notch
- Tooth and mucosa borne support
- Connectior: use maximal coverage
- Retention: clasps
- Ensure denture in neutral zone
- Indirect retention needed
4
Q
What special impression technique can we use p?
A
Split cast impression
5
Q
What is the soft cast impression technique?
A
This stimulate loading of the saddle
The pdl displaces by 0.1/2 mm under load and soft tissue is by 2mm