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Clear Aligner - Coggle Diagram
Clear Aligner
Mechanism of Action
Movement of teeth through surface area of contact
Active Areas
Passive Areas
3 Main factors for Movement
Anchorage
the ability to remain seated
Canines are difficult to move
All other teeth may need to be used as anchorage until the canine is moved
Force
From elasticity of trays
The difference in tray shape and actual teeth position.
occurs across available surface area
Engagement
increases as surface area increases
direct surface area contact
Low engagment
may need to increase with attachments
Small crowns
overcrowding
Case Selection
Very important
Pt expectations are realistic
Informed Consent
Relapse is most common risk
must wear a retainer, or a waste of time
Indications
Most common reasons
Overcrowding
Correcting relapse from prev ortho workZ
an adjunct to overall cosmetic tx