Effect of low-frequency mechanical vibration on orthodontic tooth movement

American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics
Sumit YadavRavindra Nanda

Abstract

Our objective was to investigate the effect of low-frequency mechanical vibration (LFMV) on the rate of tooth movement, bone volume fraction, tissue density, and the integrity of the periodontal ligament. Our null hypothesis was that there would be no difference in the amount of tooth movement between different values of LFMV. Sixty-four male CD1 mice, 12 weeks old, were used for orthodontic tooth movement. The mice were randomly divided into 2 groups: control groups (baseline; no spring + 5 Hz; no spring + 10 Hz; and no spring + 20 Hz) and experimental groups (spring + no vibration; spring + 5 Hz; spring + 10 Hz; and spring + 20 Hz). In the experimental groups, the first molars were moved mesially for 2 weeks using nickel-titanium coil springs delivering 10 g of force. In the control and experimental groups, LFMV was applied at 5, 10, or 20 Hz. Microfocus x-ray computed tomography analysis was used for tooth movement measurements, bone volume fraction, and tissue density. Additionally, immunostaining for sclerostin, tartrate-resistant acid phosphatase (TRAP) staining, and picrosirius red staining were used on the histologic sections. Simple descriptive statistics were used to summarize the data. Kruskal-Wallis tests were used ...Continue Reading

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Citations

Dec 24, 2017·Photochemistry and Photobiology·Viviane JettarAguinaldo S Garcez
Jun 20, 2018·Cell Biology International·Anute PravitharangulChidchanok Leethanakul
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May 23, 2019·Dental press journal of orthodontics·Muhammad AzeemHusnain Akram
Nov 7, 2018·Dose-response : a Publication of International Hormesis Society·Stefan Judex, Suphannee Pongkitwitoon
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May 27, 2021·Pain Research & Management : the Journal of the Canadian Pain Society = Journal De La Société Canadienne Pour Le Traitement De La Douleur·Irfan QamruddinAdam Husein
Jul 20, 2021·Korean Journal of Orthodontics·Sung-Hee LeeChung-Ju Hwang
Aug 24, 2021·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Amin AkbariJie Chen

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