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IRCT20221028056331N1 IRCT 2022-11-25 Mashhad University of Medical Sciences Investigating the effect of ultrasound on prevention of relapse in severe crouding Investigating the effect of ultrasound on prevention of relapse in severe crouding 2022-12-08 anticipated 60 Complete https://irct.ir/trial/66533 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Other, Purpose: Treatment, Randomization description: Block randomization was done using blocks of 4. For this purpose, we benefited from the PASS 11 software, and thus people were assigned to two groups of 30, Blinding description: 60 patients from the special clinic of Mashhad Faculty of Dentistry, who meet the conditions for entering the study, were included in the study with their consent and were randomly divided into two equal intervention and control groups. For patients in the intervention group, the device was used on, and for the control group, the device was turned off. Patients of both intervention and control groups, as well as the person analyzing the data, were blinded. N/A dental relaps. Intervention 1: Intervention group:irradiation of ultrasonic waves on the soft tissue of the lips and around of it. Intervention 2: Control group: using the device on the off mode. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is no more data available
public athar nasseri mojarad
vakil abad blv
mashhad Iran (Islamic Republic of) ٩١٧٧٩۴٨٩۵٩ +98 51 3882 9501 nasseri.mojarad@gmail.com Mashhad University of Medical Sciences scientific arezoo jahan bin
vakil abad blv
mashhad Iran (Islamic Republic of) ٩١٧٧٩۴٨٩۵٩ +98 51 3882 9501 JahanbinA@mums.ac.ir Mashhad University of Medical Sciences Iran (Islamic Republic of) Patients between 17-30 years old with severe crowding (more than 8 mm crowding) of two jaws have been subjected to fixed orthodontic treatment with the extraction of 4 first premolars of both jaws. Absence of systemic disease Proper oral hygiene Not suffering from conditions for which liposuction is contraindicated, such as (pregnancy, the presence of a malignant lesion in the irradiated area, etc.) 17 years 30 years Both Non-cooperation of the patient to attend at specified times Gingivitis or periodontal problems or deep caries that have spread to the cement enamel junction Taking drugs that affect bone metabolism, such as drugs that prevent bone resorption Treatment - Devices Placebo Intervention group:irradiation of ultrasonic waves on the soft tissue of the lips and around of it Control group: using the device on the off mode 1- Width of intercanin2- Intermolar width3- Arch length4- Arch Circumference5-Modified Little's irregularity index. Timepoint: Before the intervention and two months after removing the archwires. Method of measurement: Scanning dental cassettes and analyzing irregularities with computer software. vice chancellor for research of Mashhad University of Medical Sciences Approved 2022-05-28 ethics committee of mashhad university of medical science vakil abad blv mashhad Razavi Khorasan Iran (Islamic Republic of)