State before orthodontic treatment — in the case of large crowding of teeth, it is not recommended to perform IPR immediately due to the difficult access to the tangent space of the teeth.
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Condition during orthodontic treatment with Invisalign braces — teeth initially rotated.
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Reduction of the interdental space using the FitStrip™ system.
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To reduce the interdental space of rotated teeth, the strips can be tightened and arched to precisely perform the IPR.
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If only one space needs to be reduced, one-sided strips can be used.
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After the reduction is completed, assess using the IPR key.
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Final polishing with polishing strips.
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Condition after the reduction of the interdental space with the FitStrip™ — a place was created for further derotation of the incisors.
