Recall Z-1314-2014 — AOA Distalizer Lock Nut Screw, found in products listed as: Distal Jet, Spring Jet, Mesial Jet, and Uprighter Jet. Removable functional orthodontic appliances that are to modify the growth of the jaws in a prescribed growth pattern.
U.S. FDA — Device Enforcement · United States · 2014-02-24 · Class II
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Reported risk: The Lock Nut component of the Jet appliances may be missing the screw collar, which serves as a mechanical stop to prevent over-tightening in appliance assemby. Without this collar, an over-tightened lock nut may stop the piston assembly from moving freely, subsequently preventing intended movement of the teeth.
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