2 Parts to Motion Appliance
Upper arch: Curved bar from the mesial 1/3 of the cuspid of the midpoint of the upper first molar.
Lower arch: Bracket lower first molars. Essix retainer covering all lower teeth to prevent flaring of lower incisors.
ELASTICS
- 1st month Force 1, LIGHT force 6oz elastics
- 2nd, 3rd and 4th month, Force 2, HEAVY force 6oz elastics
ACTION
- Correct mesially rotated first molars
- Correct mesially inclined upper first molar
- Distalize upper first molars
- Different amounts of mandibular advancement
ADVANTAGES
- Improves health of TMJ
- Increases size of airway
- High acceptance rate of patients
- Correct Class II molar relationship first when co-operation is the highest level
TOTAL TREATMENT TIME: 3-5 months
Do not miss this presentation which could change the way you treat Class II cases. Shorter treatment time gives happier patients.
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