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Power arm is an attachment in the form of an arm or hook that is placed on a tooth to modify the point of application of orthodontic force. This accessory is used to control the direction and moment of force, especially when complex tilting movements are to be controlled.
In this case you can see how to solve the coronomesial tip of an inclined molar using a power arm in combination with aligners and an intermaxillary elastic anchored to a button integrated in the aligner, the Angel Button.
In the Angel Aligner System, we have two types of aligner trimming to work with power arms, the button trimming, and the power arm trimming itself. If you want to expand your knowledge in advanced mechanics with clear aligners, join our training courses. Next stop, Madrid next November 29th and 30th. MORE INFO HERE
