Not applicableStudy completedNCT02415673What this trial is testingAlignment Efficiency of Two Thermal Activated Orthodontic Archwire SequencesWho this might be right forCrowding Faculty Sao Leopoldo Mandic Campinas 44
Testing effectiveness (Phase 2)UnknownNCT00485602What this trial is testingOrthodontic Treatment With a Part-Time Wearing Esthetic Removable ApplianceWho this might be right forMalocclusion Hadassah Medical Organization 20
Not applicableStudy completedNCT03645356What this trial is testingComparison Between Clear Aligners and Traditional Fixed Appliances in the Treatment of Four-premolar-extraction CasesWho this might be right forMalocclusion, Angle Class IMalocclusion; Displaced or Missing TeethCrowding Damascus University 40
Not applicableUnknownNCT05605652What this trial is testingEvaluation of Leveling and Alignment of Maxillary Anterior Teeth Assisted With MOPs :A Comparative Clinical StudyWho this might be right forCrowding of Anterior Maxillary Teeth Al-Azhar University 28
Not applicableStudy completedNCT06401369What this trial is testingComparing Labial and Lingual Orthodontic Appliances on Root Resorption and Bone HeightWho this might be right forCrowding of Anterior Maxillary TeethCrowding of Anterior Mandibular Teeth Damascus University 40
Not applicableStudy completedNCT05737290What this trial is testingEffects of Clear Aligners Versus Fixed Appliances on Occlusion After Treatment of Mild Anterior CrowdingWho this might be right forOcclusion Al-Azhar University 12
Not applicableStudy completedNCT06401382What this trial is testingOral Health-Related Quality of Life Between Two Different Types of Orthodontic AppliancesWho this might be right forCrowding of Anterior Mandibular Teeth Damascus University 36
Not applicableUnknownNCT06438926What this trial is testingPrevalence of Dental Caries in Patients With Dental CrowdingWho this might be right forCaries Cairo University 325
Not applicableEnrolling By InvitationNCT07350343What this trial is testingThe Predictability of Directly Printed Versus Thermoformed Clear AlignersWho this might be right forClass I MalocclusionCrowded TeethSpacing of Anterior Teeth+1 more University of Baghdad 36
Not applicableStudy completedNCT04601662What this trial is testingEvaluation of the Root Resorption and Dehiscence Formation Between Two Methods of Leveling and Alignment of Lower TeethWho this might be right forCrowding of Anterior Mandibular Teeth Damascus University 52
Post-approval studies (Phase 4)Study completedNCT00497393What this trial is testingClinical Decision Unit (CDU) - Evaluation of a Novel Approach to Address Emergency Department OvercrowdingWho this might be right forAcute Illness University of Alberta 6,217
Not applicableStudy completedNCT07352644What this trial is testingFactors Affecting Attachment Loss in Clear Aligner TreatmentWho this might be right forMalocclusionCrowded TeethAttachment Bezmialem Vakif University 4
Not applicableStudy completedNCT04070001What this trial is testingThe Effects of Ibuprofen and Laser on Orthodontic PainWho this might be right forCrowding, Tooth Yeşim KAYA 60
Not applicableStudy completedNCT04778241What this trial is testingEffects of Mini Implant Facilitated Micro-osteoperforations on the Alignment of Mandibular Anterior CrowdingWho this might be right forTooth Position Anomalies University of Baghdad 32
Not applicableLooking for participantsNCT07264127What this trial is testingClinical Performance of the I-arch System During the Initial Stage of Orthodontic TreatmentWho this might be right forEffectiveness of the I-arch System Tabark H. Omran 34
Not applicableStudy completedNCT02996292What this trial is testingTreatment of Crowding Without Extraction Using Self Ligating BracketsWho this might be right forCrowding Damascus University 60
Not applicableUnknownNCT04151875What this trial is testingEffect of Extraction Vs Non-extraction Orthodontic Treatment on Vertical Facial DimensionWho this might be right forMalocclusionLong Face SyndromeCrowding, Tooth Cairo University 30
Not applicableActive Not RecruitingNCT07038902What this trial is testingA Comparative Study Between Modified Miniscrew-Assisted Rapid Palatal Expander And Modified Rapid Palatal Expander in Molar Distalization Using Cone- Beam Computed TomographyWho this might be right forMalocclusion, Class I/IICrowdingMaxillary First Molar Distalization Al-Azhar University 24
Not applicableStudy completedNCT05416242What this trial is testingPatient-centered Outcomes During Using Self-ligating Brackets With or Without Piezocision vs Traditional BracketsWho this might be right forCrowding, Tooth Damascus University 63
Not applicableLooking for participantsNCT06187337What this trial is testingInterceptive Maxillary Expansion to Relief Anterior Crowding in the Mixed DentitionWho this might be right forCrowding of Anterior Maxillary TeethOrthodontics, InterceptiveOrthodontics, Corrective, Palatal Expansion Technique Region Örebro County 60