Preprint Article Version 1 This version is not peer-reviewed

Effects of a 120Hz High-Frequency Acceleration Device on Orthodontic Discomfort

Version 1 : Received: 23 October 2018 / Approved: 24 October 2018 / Online: 24 October 2018 (08:14:49 CEST)

How to cite: Nicozisis, J.; Brigham, G.; Sparaga, J.; Shipley, T. Effects of a 120Hz High-Frequency Acceleration Device on Orthodontic Discomfort. Preprints 2018, 2018100557 (doi: 10.20944/preprints201810.0557.v1). Nicozisis, J.; Brigham, G.; Sparaga, J.; Shipley, T. Effects of a 120Hz High-Frequency Acceleration Device on Orthodontic Discomfort. Preprints 2018, 2018100557 (doi: 10.20944/preprints201810.0557.v1).

Abstract

Evaluation of the effects of a high-frequency acceleration (HFA) device on patient pain response to orthodontic forces. A multi-centered trial investigating pain sensitivity to orthodontic forces on 75 subjects at 4 study centers. Subjects underwent clear aligner treatment, with or without adjunctive HFA and documented their pain intensity using the validated NRS10 numeric rating scale. In-Office and At-Home ratings were measured separately for each subject for immediate and extended effect evaluations. Use of HFA devices in conjunction with clear aligner orthodontic treatment demonstrated significant reduction in subjects’ recorded pain ratings vs controls within 5 minutes of aligner exchange, (p = 0.006) and significant reduction in recorded pain ratings vs controls over a 7-day period following aligner exchange (p = 0.018). A 99.6% daily compliance rate with at home use of the HFA device was recorded for all subjects in the study. HFA significantly reduces pain attributed to orthodontic force. HFA delivers clinically significant immediate pain relief, and clinically significant extended pain relief over the 7 days following adjustment.

Subject Areas

orthodontics clear aligner, pain; vibration, high-frequency, HFA

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