Crick
HomeTrialsGenesDrugs23andMeGraphBlogContact
  • Home
  • Trials
  • Genes
  • Drugs
  • 23andMe
  • Graph
  • Blog
  • Contact
Crick

An open-source clinical intelligence platform. Explore clinical trials, gene networks, and molecular structures using public data sources.

Data Sources

  • ClinicalTrials.gov
  • OpenTargets
  • ClinVar
  • PubChem

Links

  • Contact
  • Privacy

© 2026 Crick. All rights reserved.

Crick is for educational purposes only. Not medical advice.

Results for “Crowding, Tooth, Class I”

16 trials

Filters

Phase
Early Phase 1
Phase 1
Phase 2
Phase 3
Phase 4
Status
Recruiting
Active, Not Recruiting
Not Yet Recruiting
Completed
Enrolling by Invitation

Showing 16 of 16 results

Not applicableNot Yet RecruitingNCT07638397
What this trial is testing

Orthodontic Treatment Outcomes of Self Ligating System Compared to Clear Aligner System

Who this might be right for
Angle Class I MaloclussionDental Crowding
University of Baghdad 42
Not applicableStudy completedNCT03659097
What this trial is testing

Acceleration of Alignment of Crowded Lower Anterior Teeth

Who this might be right for
Malocclusion, Angle Class ICrowded Teeth
Damascus University 38
Not applicableStudy completedNCT07236775
What this trial is testing

Treatment Outcome of Clear Aligner and Traditional Fixed Appliances in Four Premolar Extraction Cases

Who this might be right for
Malocclusion, Class I/IICrowding, Tooth
Damascus University 40
Not applicableEnrolling By InvitationNCT07350343
What this trial is testing

The Predictability of Directly Printed Versus Thermoformed Clear Aligners

Who this might be right for
Class I MalocclusionCrowded TeethSpacing of Anterior Teeth+1 more
University of Baghdad 36
Not applicableNot Yet RecruitingNCT07591454
What this trial is testing

Treatment Outcome of Elastomeric and Nickel-Titanium Separators in Tooth Separation

Who this might be right for
Dental CrowdingMalocclusion, Angle Class I
3D-Aligners 30
Not applicableStudy completedNCT05356780
What this trial is testing

Predictability of Orthodontic Tooth Movement With Invisalign Aligners

Who this might be right for
Tooth CrowdingMalocclusionMalocclusion, Angle Class II+1 more
University of Turin, Italy 98
Not applicableLooking for participantsNCT07637227
What this trial is testing

Clinical Performance of Direct-Printed Versus Thermoformed Aligners

Who this might be right for
Angle Class I MalocclusionDental CrowdingTooth Spacing
University of Baghdad 34
Not applicableUnknownNCT05333094
What this trial is testing

Comparison Between the Effectiveness of Different Commercial Bracket Brands

Who this might be right for
Crowding, Tooth, Class I
Future University in Egypt 30
Not applicableStudy completedNCT03645356
What this trial is testing

Comparison Between Clear Aligners and Traditional Fixed Appliances in the Treatment of Four-premolar-extraction Cases

Who this might be right for
Malocclusion, Angle Class IMalocclusion; Displaced or Missing TeethCrowding
Damascus University 40
Not applicableStudy completedNCT03646942
What this trial is testing

The Role of Low Level Laser Therapy in Acceleration of Teeth Alignment in Lingual Orthodontic Patients

Who this might be right for
Malocclusion, Angle Class ICrowding
Damascus University 36
Not applicableActive Not RecruitingNCT07090746
What this trial is testing

Evaluation of Dentoalveolar Changes of Clear Aligners Versus Fixed Orthodontic Appliances on Skeletal Class I Non-extraction Patients With Dental Crowding

Who this might be right for
Skeletal Class I Non-extraction Patients With Dental Crowding
Mansoura University 24
Not applicableStudy completedNCT06504498
What this trial is testing

Effectiveness of Clear Aligners in Different Thicknesses

Who this might be right for
Angle's Class I MalocclusionCrowding, Tooth
Mersin University 28
Not applicableStudy completedNCT07745855
What this trial is testing

The Reliability and Validity of Little's Irregularity Index Assessment

Who this might be right for
Dental CrowdingMalocclusion, Angle Class I
Al-Azhar University 20
Not applicableStudy completedNCT07708363
What this trial is testing

Bracket Positioning Techniques and Quality of Orthodontic Finishing

Who this might be right for
Malocclusion, Angle Class IDental Crowding
Future University in Egypt 39
Not applicableStudy completedNCT04347018
What this trial is testing

BRIUS Vs FFA Efficiency

Who this might be right for
Dental MalocclusionAngle Class IIAngle Class I+1 more
State University of New York at Buffalo 13
Not applicableActive Not RecruitingNCT07038902
What this trial is testing

A Comparative Study Between Modified Miniscrew-Assisted Rapid Palatal Expander And Modified Rapid Palatal Expander in Molar Distalization Using Cone- Beam Computed Tomography

Who this might be right for
Malocclusion, Class I/IICrowdingMaxillary First Molar Distalization
Al-Azhar University 24