BDS3 2

Question 1

canine relationship classes (ortho assessment )

Answer 1

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

Question 2

what supernumerary commonly comes in pairs, don’t erupt and prevent eruption

Answer 2

tuberculate

Question 3

amount of force required for tipping movement

Answer 3

35-60g dependent on tooth size

Question 4

amount of force required for intrusion

Answer 4

10-20g
high forces = resorption risk

Question 4

amount of force required for bodily movement

Answer 4

150-200g

Question 5

amount of force required for extrusion and rotation

Answer 5

35-60g

Question 6

amount of force required for torque

Answer 6

50-100g
(movement of root with minimal crown movement)