Clinical trials: Dental Crowding
Orthodontic Aligners
Difference Between Pressing and Vacuum Techniques in Fabrication of Orthodontic Aligners in Cases With Crowding: A Cross-sectional Study
This cross sectional study is aiming to compare 2 methods of clear aligner fabrication.
- Trial name
- NCT06231888
- Testing
- Aligner
- Where
- Egypt
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Cairo University
Malocclusion, Class I/II, Crowding
A Comparative Study Between Modified Miniscrew-Assisted Rapid Palatal Expander And Modified Rapid Palatal Expander in Molar Distalization Using Cone- Beam Computed Tomography
Comparative study between modified miniscrew-assisted rapid palatal expander and modified rapid palatal expander in molar distalization using CBCT.
- Conditions
- Malocclusion, Class I/II, Crowding, Maxillary First Molar Distalization
- Trial name
- MIDPAC (NCT07038902)
- Testing
- Group A: Modified Miniscrew-Assisted Rapid Palatal Expander (MARPE), Group B: Modified Rapid Palatal Expander (RPE)
- Where
- Egypt
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Dental Malocclusion, Angle Class II
BRIUS Vs FFA Efficiency
The purpose of this study is to compare the Full Fixed Preadjusted appliances (regular braces) when to the BRIUS system.
- Conditions
- Dental Malocclusion, Angle Class II, Angle Class I, Crowding, Tooth
- Trial name
- NCT04347018
- Testing
- BRIUS
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- State University of New York at Buffalo
Crowding of Anterior Maxillary Teeth, Orthodontics, Interceptive
Interceptive Maxillary Expansion to Relief Anterior Crowding in the Mixed Dentition
The goal of this clinical trial is to compare if it is better to treat severe anterior crowding in the early mixed dentition then later in the permanent dentition in children with anterior crowding of the upper teeth.
- Conditions
- Crowding of Anterior Maxillary Teeth, Orthodontics, Interceptive, Orthodontics, Corrective, Palatal Expansion Technique
- Trial name
- NCT06187337
- Testing
- Maxillary expansion device
- Where
- 4 sites in Italy, Sweden
- Volunteers
- 60 people
- Sponsor
- Region Örebro County
Malaligned Teeth, Crowding
A Prospective , Split-mouth, Clinical Study of Orthodontic Titanium Miniscrews With Machined and Acid-etched Surfaces.
Primary goal of this study to check the stability of miniscrews used in orthodontic treatment in order to evaluate the success of the treatment.
- Trial name
- NCT07662434
- Testing
- miniscrews placement
- Where
- Pakistan
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Foundation University Islamabad
Crowding of Anterior Mandibular Teeth
Using Multi-looped Lingual Retainer to Relief Anterior Mandibular Crowding
this study aim to evaluate the multi-looped lingual retainer activated by a new method to relief the anterior crowding
- Trial name
- NCT06337435
- Testing
- multi-looped wire
- Where
- Egypt
- Volunteers
- 12 people
- Sponsor
- Cairo University
Skeletal and Dental CL I Malocclusion Moderate Crowding
Clinical Effectiveness of Damon Ultima Vs Conventional Brackets Trial)
Compare the clinical performance, root resorption and pain perception between passive self-ligating Damon Ultema vs conventional brackets.
- Trial name
- NCT05978817
- Testing
- Damon Ultima bracket
- Where
- Iraq
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- University of Baghdad
Dental Crowding, Malocclusion, Angle Class I
The Reliability and Validity of Little's Irregularity Index Assessment
The primary aim of the current study was to estimate the validity, reliability, and repeatability of LII measurements
- Trial name
- LII (NCT07745855)
- Where
- Egypt
- Volunteers
- 20 people
- Sponsor
- Al-Azhar University
Angle Class I Maloclussion, Dental Crowding
Orthodontic Treatment Outcomes of Self Ligating System Compared to Clear Aligner System
This study is a multi-center, prospective, parallel-group randomized controlled trial designed to compare the orthodontic treatment outcomes of a passive self-ligating bracket system (Damon Ultima) versus a clear aligner system.
- Trial name
- NCT07638397
- Testing
- self ligating bracket, Clear aligner
- Where
- Iraq
- Volunteers
- 42 people
- Sponsor
- University of Baghdad
Malocclusion, Angle Class I, Crowding
The Role of Low Level Laser Therapy in Acceleration of Teeth Alignment in Lingual Orthodontic Patients
We will treat patients with class I malocclusion who have moderate crowding (4-6 mm) according to Little's irregularity index and asses the efficacy of low level laser therapy in accelerating orthodontic tooth movement .
- Trial name
- NCT03646942
- Testing
- low level laser therapy, Lingual Orthodontics
- Where
- Syria
- Volunteers
- 36 people
- Sponsor
- Damascus University
Effectiveness of the I-arch System
Clinical Performance of the I-arch System During the Initial Stage of Orthodontic Treatment
The goal of this clinical trial is to learn if the I-arch system works to align the moderately misaligned teeth in patients seeking orthodontic treatment.
- Trial name
- NCT07264127
- Testing
- The use of 0.016×0.014 copper nickel titanium arch wire during the alignment stage., Use of 0.014- then 0.016-inch heat-activated nickel titanium arch wire during the alignment stage.
- Where
- Iraq
- Volunteers
- 34 people
- Sponsor
- Tabark H. Omran
Dental Crowding, Vibrational Force
Intermittent Vibrational Force and Orthodontic Tooth Movement
The aim of this study is to compare the clinical efficiency of conventional fixed appliance orthodontic treatment with that supplemented by the daily application of cyclic forces to the dentition via a removable (AcceleDent)…
- Conditions
- Dental Crowding, Vibrational Force, Fixed Orthodontic Appliances
- Trial name
- NCT02314975
- Testing
- AcceleDent vibrational device, Fixed appliance only
- Volunteers
- 81 people, healthy volunteers welcome
- Sponsor
- King's College London
Emergencies
The Effect of an Physician-Nurse Supplementary Triage Assistance Team on Emergency Department Patient Wait Times
The primary objective of this study is to investigate whether the introduction of a physician-nurse supplementary triage assessment team (MDRN STAT) is effective in improving time-based performance indicators for wait times.
- Trial name
- MDRNSTAT (NCT00991471)
- Testing
- Interaction with MDRN STAT, No MDRNSTAT
- Where
- Canada
- Volunteers
- 6,300 people, healthy volunteers welcome
- Sponsor
- Sunnybrook Health Sciences Centre
Caries
Prevalence of Dental Caries in Patients With Dental Crowding
Dental crowding causes limited access for the toothbrush, and the natural cleansing effect of the teeth by the tongue and saliva is also limited.
- Trial name
- NCT06438926
- Volunteers
- 325 people, healthy volunteers welcome
- Sponsor
- Cairo University
Tooth Crowding, Tooth; Lesion, White Spot Lesions
Comparison Of Different Orthodontic Aligner Systems Applied On Single Stage And Three Stage
Applying to the Orthodontics Department of the Faculty of Dentistry of Erciyes University for orthodontic treatment, a periodontally healthy 16-26 year-old periodontally healthy, non-congenital or congenital anomaly in the…
- Trial name
- NCT04678596
- Testing
- EonAligner, Clearfix
- Where
- Turkey (Türkiye)
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- TC Erciyes University
Dental Malocclusion, Dental Crowding
Evaluation of Efficiency for Three Different Aligning Archwires During Initial Orthodontic Leveling
The present prospective clinical study was directed to evaluate the efficiency of three different aligning archwires during initial orthodontic leveling.
- Trial name
- NCT04387578
- Testing
- fixed orthodontic appliance and arch wires
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Ahmed Talaat Hussein Ali
Orthodontic Treatment, Tooth Crowding
Assessment of the Efficacy of the Aerodentis System
The purpose of this study is to evaluate the efficacy of the Aerodentis System for orthodontic tooth movement in an open label, two-arms, non-inferiority clinical study.
- Conditions
- Orthodontic Treatment, Tooth Crowding, Orthodontics
- Trial name
- NCT03421886
- Testing
- Aerodentis system, Invisalign clear aligner system
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Tooth Position Anomalies
Effects of Mini Implant Facilitated Micro-osteoperforations on the Alignment of Mandibular Anterior Crowding
The primary aim of the present study is to evaluate the the efficacy of micro-osteoperforation (MOPs) perfomed by mini-implant (MI) screw In improving alignment of mandibular anterior teeth
- Trial name
- NCT04778241
- Testing
- Micro-osteoperforation
- Where
- Iraq
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Baghdad
Malocclusion of Anterior Teeth
Evaluation of Self-ligating Brackets Plus Minor Surgery in Treating Crowded Cases of Malocclusion
Patients at the Orthodontic Department of University of Damascus Dental School will be examined and subjects who meet the inclusion criteria will be admitted then the initial diagnostic records (diagnostic gypsum samples …
- Trial name
- NCT03647241
- Testing
- Self-Ligating Brackets, Traditionally-Ligated Brackets, Corticotomy
- Where
- Syria
- Volunteers
- 60 people
- Sponsor
- Damascus University
Tooth Crowding
Teeth Decrowding With and Without Fixed Appliances
In orthodontics, the teeth tend to move to the extraction space. This tooth movement becomes of larger importance when there is a crowding.
- Trial name
- NCT06416189
- Testing
- Fixed appliances
- Where
- Jordan
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Samer Mheissen