Clinical trials: Crowding
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
Dental Crowding, Alveolar Bone Loss
Bone Level Changes Using Clear Aligners Compared to Fixed Appliances in Non-Extraction Treatment of Adults
This study compares two common ways of straightening teeth in adults who have mild-to-moderate crowding of the lower front teeth and do not need any teeth removed: clear aligners and traditional fixed braces.
- Conditions
- Dental Crowding, Alveolar Bone Loss, Malocclusion
- Trial name
- NCT07716007
- Testing
- Fixed orthodontic appliance, Clear aligners
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Future University in Egypt
Macular Degeneration
Learning Study: Improving Vision in Adults With Macular Degeneration
The purpose of this study is to test whether a kind of brain stimulation called anodal transcranial direct current stimulation (a-tDCS) can be combined with perceptual learning to improve the ability of people with age-related…
- Trial name
- NCT04762368
- Testing
- Active anodal tDCS
- Where
- 2 sites in Canada, Hong Kong
- Volunteers
- 30 people
- Sponsor
- University of Waterloo
Maxillary Crowded Teeth
Effect of Low Level Laser Therapy in Accelerating Tooth Movement For Dental Crowding Cases
26 participants from the Orthodontic Department at University of Damascus Dental School will be randomly assigned into two groups.
- Trial name
- NCT02568436
- Testing
- low level laser therapy
- Where
- Syria
- Volunteers
- 26 people
- Sponsor
- Damascus University
Obsessive-Compulsive Disorder
Initial Development and Dissemination of OC-Go
The clinical component of Phase I application development examines the clinical utility, feasibility, and functionality of the OC-Go application via an 8-month pilot trial consisting of 50 standard CBT sessions augmented with…
- Trial name
- OC-GoPhaseI (NCT03126305)
- Testing
- OC-Go
- Where
- United States
- Volunteers
- 8 people
- Sponsor
- University of California, Los Angeles
Crowding of Teeth
The Evaluation Of The Efficiency Of Micro-osteoperforation
Prolonged orthodontic treatment increases the risc of caries, periodontal problems and root resorption. Many different techniques were developed to shorten the treatment time.
- Trial name
- NCT03652454
- Testing
- micro-osteoperforation, conventional fixed appliance treatment
- Where
- Turkey (Türkiye)
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Izmir Katip Celebi University
Malocclusion, Angle Class I, Crowded Teeth
Acceleration of Alignment of Crowded Lower Anterior Teeth
Patients at the Orthodontic Department of University of Damascus Dental School will be examined and subjects who meet the inclusion criteria will be included.
- Trial name
- NCT03659097
- Testing
- periodontally accelerated osteogenic orthodontics
- Where
- Syria
- Volunteers
- 38 people
- Sponsor
- Damascus University
Tooth Overcrowding
Efficiency of Piezocision-assisted Orthodontic Treatment in Adult Patients
This study was designed as a randomized controlled clinical trial to compare conventional orthodontic treatment (control group) and piezocision-assisted orthodontic treatment (PS group).
- Trial name
- NCT02590835
- Testing
- Orthodontic procedures (for both groups : Control group and Test group), Piezo-assisted orthodontics (only the Test group)
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Dr. France LAMBERT
Crowding
Treatment of Crowding Without Extraction Using Self Ligating Brackets
This experimental study will evaluate the effect of active and passive self-ligating brackets in treatment of crowding, compared with the control group of conventional brackets in class I malocclusion without extraction.
- Trial name
- NCT02996292
- Testing
- Traditional brackets, Active self-ligating brackets, Passive self-ligating brackets
- Where
- Syria
- Volunteers
- 60 people
- Sponsor
- Damascus University
Class II Division 1 Malocclusion, Class III Malocclusion
Efficiency of Canine Retraction Using Different Reactivation Intervals
Canine retraction after 1st premolar extracion into the extraction space is a routine treatment in orthodontics. Orthodontic patients requiring first premolar extraction, canine retraction and maximum anchorage were recruited for…
- Conditions
- Class II Division 1 Malocclusion, Class III Malocclusion, Bimaxillary Protrusion, Crowding, Tooth
- Trial name
- NCT04905004
- Testing
- Canine retraction
- Where
- Egypt
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Future University in Egypt
Lower Anterior Crowding
Evaluation of Accuracy of 3D Printed Aligners in Comparison to Thermoformed Aligners in Orthodontic Patients
The goal of this randomized clinical trial is to compare the accuracy of tooth movement achieved by 3D printed aligners versus thermoformed aligners in patients with lower anterior crowding.
- Trial name
- Aligner (NCT07496892)
- Testing
- 3d printed aligner, thermoformed aligner
- Where
- Egypt
- Volunteers
- 28 people
- Sponsor
- Cairo University
Orthodontics
Effect of Laser-aided Csf on the Rate of Leveling and Alignment of Mandibular Anterior Crowding
To test the effect of laser-aided circumferential supracrestal fiberotomy on the rate of leveling and alignment
- Trial name
- NCT06380790
- Testing
- Laser-aided csf
- Where
- Egypt
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Cairo University
Crowding, Tooth, Tipped Tooth or Teeth
Efficacy and Effectiveness of Two Types of Aligners Based on Stratification by Type of Movement
The purpose of this study is to evaluate the biomechanical behaviour of direct-printed and thermoformed aligners in different tooth movements, creating a biomechanical planning protocol based on a stratification of tooth…
- Conditions
- Crowding, Tooth, Tipped Tooth or Teeth, Rotation of Tooth, Malocclusion, Angle's Class
- Trial name
- NCT06516185
- Testing
- direct-printed aligner, thermoformed aligner
- Where
- Spain
- Volunteers
- 114 people
- Sponsor
- Universidad Complutense de Madrid
Crowding
Can the Point-Of-Care Chemistry Test (POCT) Solve the Emergency Department (ED) Crowding?
The hypothesis of this study that the Point-Of-Care Chemistry Test (POCT) may shorten Emergency Department (ED) length of stay (LOS).
- Trial name
- POCTED (NCT01402635)
- Testing
- point-of-care chemistry test(POCT) (Piccolo)
- Where
- South Korea
- Volunteers
- 10,244 people
- Sponsor
- Seoul National University Hospital
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, Crowded Teeth
Evaluation of the Levels of Pain and Discomfort Between Two Methods of Correcting Misaligned Teeth
Applying flapless piezocision corticotomies on the alveolar bone and separating anterior mandibular teeth using a piezosurgery device (i.e.
- Conditions
- Malocclusion, Crowded Teeth, Surgical Incision
- Trial name
- NCT02975765
- Testing
- Piezosurgery
- Where
- Syria
- Volunteers
- 36 people
- Sponsor
- Damascus University
Dental Crowding, Dental Occlusion, Traumatic
Exploration of the Utility of Dental-dedicated MRI for Dentistry
This description observational research is comparative in design, that is comparing existing standard clinical dental images, not obtained in this study, to test (i.e., ddMRI) images.
- Conditions
- Dental Crowding, Dental Occlusion, Traumatic, Endodontic Disease, Orthodontic Treatment
- Trial name
- NCT06948162
- Testing
- dental-dedicated MRI (ddMRI)
- Where
- United States
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
Crowding of Anterior Mandibular Teeth
SmartArch vs Super Elastic NiTi Aligning Archwires
This study is intended primarily to compare the alignment efficiency and rate of two different types of archwires that are used in the first stage of orthodontic treatment , also addressing pain and root resorption that may be…
- Trial name
- NCT05510206
- Testing
- Leveling and alignment
- Where
- Iraq
- Volunteers
- 40 people
- Sponsor
- University of Baghdad
Malocclusion, Class I/II, Crowding, Tooth
Treatment Outcome of Clear Aligner and Traditional Fixed Appliances in Four Premolar Extraction Cases
Patients with severe crowding requiring the extraction of four premolars will be enrolled in this study. The degree of apical root resorption associated with using the clear aligner technique compared with vestibular fixed…
- Trial name
- NCT07236775
- Testing
- Clear Aligners, Traditional fixed appliances
- Where
- Syria
- Volunteers
- 40 people
- Sponsor
- Damascus University
Crowding, Tooth, Class I
Comparison Between the Effectiveness of Different Commercial Bracket Brands
There's a scarcity in literature concerning the comparison of the effectiveness of brackets in its torque and tip ability, the time takes for leveling and alignment comparing between different orthodontic bracket brands, and its…
- Trial name
- NCT05333094
- Testing
- Brackets
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Future University in Egypt