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Article

Shortening of Overall Orthodontic Treatment Duration with Low-Intensity Pulsed Ultrasound (LIPUS)

1
Division of Oral Biology, School of Dentistry, Katz Group for Pharmacy and Health Research, University of Alberta, Edmonton, AB T6G 2E1, Canada
2
Division of Orthodontics, School of Dentistry, Katz Group for Pharmacy and Health Research, University of Alberta, Edmonton, AB T6G 1C9, Canada
*
Author to whom correspondence should be addressed.
J. Clin. Med. 2020, 9(5), 1303; https://doi.org/10.3390/jcm9051303
Received: 25 March 2020 / Revised: 18 April 2020 / Accepted: 22 April 2020 / Published: 1 May 2020
(This article belongs to the Special Issue Applications of Therapeutic Ultrasound in Dentistry)
The aim of this retrospective clinical study was to determine if there is a reduction in the overall treatment duration in orthodontic patients using low-intensity pulsed ultrasound (LIPUS) and Invisalign SmartTrack® clear aligners. Data were collected from the first thirty-four patients (9 males, 25 females; average age 41.37 ± 15.02) who finished their orthodontic treatment using an intraoral LIPUS device and Invisalign clear aligners in a private clinic. The LIPUS parameters used by patients at home for 20 min/day were: ultrasonic frequency 1.5 MHz, pulse duration 200µs, pulse repetition rate 1 kHz, and spatial average-temporal average intensity 30mW/cm2. A control group (11 males, 23 females; average age 31.36 ± 14.41) matching for the same malocclusions was randomly selected from finished treatment cases of the same clinician. The date of first Invisalign attachment placement and first use of LIPUS application was recorded as T0, and the date of retainer delivery was recorded as T1. The treatment duration (T1–T0) and treatment reduction percentage with LIPUS device were collected and analyzed using two-sample t-test in Microsoft Excel. Treatment duration was significantly reduced in the LIPUS group (541.44 ± 192.23 days) compared to control group (1061.05 ± 455.64 days) (p < 0.05). The LIPUS group showed on average 49% reduction in the overall treatment time as compared to the control group. The average compliance of the patients using LIPUS was 66.02%. Patients who used LIPUS showed a clinically significant reduction in the overall orthodontic treatment duration compared to the control group who used Invisalign clear aligners only. View Full-Text
Keywords: orthodontic tooth movement; non-invasive therapy; low intensity pulsed ultrasound; LIPUS; clear aligners orthodontic tooth movement; non-invasive therapy; low intensity pulsed ultrasound; LIPUS; clear aligners
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MDPI and ACS Style

Kaur, H.; El-Bialy, T. Shortening of Overall Orthodontic Treatment Duration with Low-Intensity Pulsed Ultrasound (LIPUS). J. Clin. Med. 2020, 9, 1303. https://doi.org/10.3390/jcm9051303

AMA Style

Kaur H, El-Bialy T. Shortening of Overall Orthodontic Treatment Duration with Low-Intensity Pulsed Ultrasound (LIPUS). Journal of Clinical Medicine. 2020; 9(5):1303. https://doi.org/10.3390/jcm9051303

Chicago/Turabian Style

Kaur, Harmanpreet, and Tarek El-Bialy. 2020. "Shortening of Overall Orthodontic Treatment Duration with Low-Intensity Pulsed Ultrasound (LIPUS)" Journal of Clinical Medicine 9, no. 5: 1303. https://doi.org/10.3390/jcm9051303

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