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The Spark™ Clear Aligner System is indicated for the alignment of teeth during orthodontic treatment of malocclusion.

The Spark™ Clear Aligner System consists of a series of doctor-prescribed, custom manufactured, thin, clear plastic removable orthodontic appliances (aligners) that gently move the participant's teeth in small increments from their original state to a more optimal, treated state. Treatment planning, aligner manufacture are supported by a proprietary software system. The clinician receives the aligners and provides them in sequential "stages" to the patient, confirming fit and monitoring treatment from the placement of the first aligner to the removal of the final aligners are held in place by presure and can be removed by the patient at any time. Several treatment options may be integrated into the Spark Clear Aligners, such as cutouts, hooks, and/or other attachment shapes, bite ramps, etc. to aid the aligners with teeth movement. The integrated occlusion guides on the upper and lower aligners allow the option of incrementally repositioning the mandible (lower jaw) forward to address in patients who have not reached full skeletal maturity.

This document is a 510(k) clearance letter for the Spark™ Clear Aligner System. It describes the device, its intended indications for use, and confirms its substantial equivalence to previously cleared devices. However, it does NOT contain the detailed information necessary to answer your questions about acceptance criteria and the study proving the device meets those criteria.

Typically, such information, especially related to the performance of a device against specific acceptance criteria and the methodologies of studies (like sample sizes, expert qualifications, ground truth establishment, etc.), would be found in detailed performance study reports or summaries submitted as part of the 510(k) application, but this clearance letter does not include that level of detail.

Therefore, I cannot provide the requested information from the provided text. The document focuses on regulatory clearance and substantial equivalence, not the specifics of performance testing or clinical study design.

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