1B Post. Xbites Flashcards
1
Q
Most common cause of facial asymmetry
A
Mandibular CR-CO shift (dental interference)
2
Q
Appliance for Max constriction
Near adolescents
Adolescents
Preadolescent in primary and mixed dentition
A
Near adolescents: RPE or SPE (heavy forces)
Adolescents: RPE or SPE (heavy forces)
Preadolescent in primary and mixed dentition: Lingual arch type (W or Quad) (light forces)
3
Q
RPE vs SPE
A
RPE: 1-2 turns/day for 2-4 weeks
SPE: 1 turn every other day for 4-8 weeks
4
Q
Retention time
A
3 months
5
Q
Lingual arch type treatment length
A
3 months
6
Q
Bilateral maxillary constriction in primary
A
W-arch
7
Q
W arch anchorage type
A
Reciprocal
8
Q
Orthopedic vs orthodontic forces
A
Orthopedic is 10X greater
9
Q
W arch wire
A
036 SS
10
Q
Quad helix wire
A
038 SS
