Fixed appliances Flashcards
1
Q
Forces required for bodily movement
A
50-120g
2
Q
torquing movement force
A
50-100g
3
Q
rotational movement force
A
35-60g
4
Q
extrusion force
A
35-60g
5
Q
tipping force
A
25-60g
6
Q
intrusion force
A
10-20g
7
Q
Archwire sequence
A
initial – 0.012/0.014 NiTi
intermediate – 0.02 x 0.02 CuNiTi/ 0.017 x 0.025 CuNiTi
working – 0.019 x 0.025 SS
8
Q
Types of FA appliance
A
- Tip-edge (derived from begg appliance)
- Straight wire appliance (derived from edge-wise)