RPD indirect retention and prep wor

Question 1

indirect retention ensures

Answer 1

not to get rotation
- applies to free end saddles to aid retention by ensuring the clasps work effectively
- used to ensure axis of rotation on displacement keeps the clasp moving on the long axis of the abutment tooth
ie claps as forward as poss

Question 2

prep work and declutter involves

Answer 2

1) rest seats
2) guide planes
3) creation of undercut
4) direct and indirect restorations