L4A Skeletal changes Flashcards
1
Q
Force needed for orthopedic movement
A
500-1000g
2
Q
Duration of force for orthopedic movement
A
12-16 hours/day
3
Q
Maxillary protraction
Age
Length
How much movement
A
10-11 years old
Last 6-8 months
3mm
4
Q
Rapid palatal expansiion
How much movement
Length
Age
A
1mm/day in adolescents for 2-3 weeks
5
Q
Slow palatal expansion
A
1mm/week for late adolescent and young adult
6
Q
Expansion followed by ____ months of retention
A
3-6
7
Q
Movement from RPE is due to
A
50 percent dental, 50 skeletal
