BDS3 2 Flashcards
1
Q
canine relationship classes (ortho assessment )
A
class 1 - U3 occludes distobuccal to L3
class 2 - U3 and L3 occlude on top of one another
class 3 - U3 occludes distal to L3, may be in crossbite
2
Q
what supernumerary commonly comes in pairs, don’t erupt and prevent eruption
A
tuberculate
3
Q
amount of force required for tipping movement
A
35-60g dependent on tooth size
4
Q
amount of force required for intrusion
A
10-20g
high forces = resorption risk
4
Q
amount of force required for bodily movement
A
150-200g
5
Q
amount of force required for extrusion and rotation
A
35-60g
6
Q
amount of force required for torque
A
50-100g
(movement of root with minimal crown movement)