Preprint Article Version 1 This version is not peer-reviewed

High Frequency Acceleration Device Effect on Accelerated Aligner Exchange - A Pilot Study

Version 1 : Received: 5 April 2018 / Approved: 6 April 2018 / Online: 6 April 2018 (10:57:40 CEST)

How to cite: Shipley, T. High Frequency Acceleration Device Effect on Accelerated Aligner Exchange - A Pilot Study. Preprints 2018, 2018040075 (doi: 10.20944/preprints201804.0075.v1). Shipley, T. High Frequency Acceleration Device Effect on Accelerated Aligner Exchange - A Pilot Study. Preprints 2018, 2018040075 (doi: 10.20944/preprints201804.0075.v1).

Abstract

Evaluation of the effect of a high frequency acceleration device on clear aligner exchange intervals and treatment time required to achieve prescribed tooth movements. Sixteen subjects with similar Class I malocclusions, 5mm or less crowding, and treated with Invisalign were divided into two groups. Group 1 (experimental; N=8) underwent aligner treatment in conjunction with daily use of the high frequency acceleration device and exchanged aligners every 5 days. Group 2 (controls; N=8) underwent aligner treatment without use of the device and exchanged aligners every 14 days according to the manufacturer's recommended interval. All subjects were treated by one investigator, and results were evaluated by both; total number of aligners used, and number of refinements required, prior to final Vivera retention scan. A significant decrease in both treatment time, and number of aligners required to complete treatment was observed by experimental subjects as compared to controls. In addition, no refinements were required by experimental subjects, whereas 6 of 8 of the control subjects required 1 or more refinements. Use of the high frequency acceleration device in conjunction with Invisalign treatment resulted in more predictable tooth movement and a significant decrease in the length of treatment.

Subject Areas

high frequency; acceleration; vibration; orthodontics; tooth movement

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