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Note: This record shows only 22 elements of the WHO Trial Registration Data Set. To view changes that have been made to the source record, or for additional information about this trial, click on the URL below to go to the source record in the primary register.
Register: ClinicalTrials.gov
Last refreshed on: 12 December 2020
Main ID:  NCT03172442
Date of registration: 23/05/2017
Prospective Registration: No
Primary sponsor: Damascus University
Public title: Treatment of Skeletal Class III Malocclusion Using Orthodontic Removable Traction Appliance
Scientific title: Dentoskeletal Effects of The Orthodontic Removable Traction Appliance in The Treatment of Skeletal Class III Malocclusion: A Randomized Controlled Trial
Date of first enrolment: May 1, 2017
Target sample size: 22
Recruitment status: Completed
URL:  https://clinicaltrials.gov/show/NCT03172442
Study type:  Interventional
Study design:  Allocation: Randomized. Intervention model: Parallel Assignment. Primary purpose: Treatment. Masking: None (Open Label).  
Phase:  N/A
Countries of recruitment
Syrian Arab Republic
Contacts
Name:     Ahmad S Burhan, PhD.
Address: 
Telephone:
Email:
Affiliation:  Department of Orthodontics, Faculty of Dentistry, Damascus University, Damascus, Syria
Key inclusion & exclusion criteria

Inclusion Criteria:

- Patients in early mixed dentation (8-10 years old).

- Skeletal class III caused by maxillary deficiency with or without mandibular
prognathism judged clinically and confirmed radiographically(ANB=1).

- Anterior crossbite on two teeth or more or an edge-to-edge bite.

- Normal inclination of the lower incisors with the mandibular plane.

Exclusion Criteria:

- Poor oral hygiene.

- Previous orthodontic treatment.

- Patients with syndromes, clefts, or craniofacial abnormalities.

- Severe skeletal class III primarily resulting from mandibular prognathism (ANB less
than - 4)

- Patients with facial asymmetry.

- Patients with vertical growth pattern.



Age minimum: 8 Years
Age maximum: 10 Years
Gender: All
Health Condition(s) or Problem(s) studied
Class III Malocclusion
Intervention(s)
Device: Class III elastics
Device: Vacuum plate
Device: Rapid maxillary expander
Primary Outcome(s)
The change of the ANB angle [Time Frame: Assessment will be done before treatment (T0) and after obtaining 3-mm positive overjet which will be approximately obtained after 6 months (T1).]
Secondary Outcome(s)
Levels of pain [Time Frame: A questionnaire will be given to the patients four times during treatment; after 1day, after 1 week, after 1 month and after 3 months of the application of the appliance.]
The change of the SNB angle [Time Frame: Assessment will be done before treatment (T0) and after obtaining 3-mm positive overjet which will be approximately obtained after 6 months (T1).]
Levels of discomfort [Time Frame: A questionnaire will be given to the patients four times during treatment; after 1day, after 1 week, after 1 month and after 3 months of the application of the appliance.]
The change of the SNA angle [Time Frame: Assessment will be done before treatment (T0) and after obtaining 3-mm positive overjet which will be approximately obtained after 6 months (T1).]
Levels of acceptance [Time Frame: A questionnaire will be given to the patients four times during treatment; after 1day, after 1 week, after 1 month and after 3 months of the application of the appliance.]
Secondary ID(s)
UDDS-Ortho-03-2017
Source(s) of Monetary Support
Please refer to primary and secondary sponsors
Secondary Sponsor(s)
Ethics review
Results
Results available:
Date Posted:
Date Completed:
URL:
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