Clinical trials: Dental Crowding
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
Dental Research, Orthodontics
Treatment of the Mandibular Dental Crowding With and Without Corticotomy Surgery
The use of corticotomy surgery in addition to orthodontic standard treatment could accelerate the treatment. Corticotomy involves vertical interdental incisions of the gingiva and the bone with a very low thickness.
- Conditions
- Dental Research, Orthodontics, Surgery, Oral, Maxillofacial Surgery
- Trial name
- CORTICO (NCT03967002)
- Testing
- Test group with corticotomy surgery
- Where
- Switzerland
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Ardentis Cliniques Dentaires
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
Amputee, Prostheses
Evaluation of the Biomechanics of Crowding and the Energetic Cost of Endurance Runners Unilateral Transtibial Amputees.
Transtibial amputation accounts for 3,700 cases per year in France. Athletes can use sport blades made of carbon plate for improved energy restitution.
- Conditions
- Amputee, Prostheses, Healthy Volunteers
- Trial name
- BLADENDURUN (NCT06948695)
- Testing
- Warm-up, Random blade test, Comfort speed test
- Where
- France
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de Saint Etienne
Angle Class I Malocclusion, Dental Crowding
Clinical Performance of Direct-Printed Versus Thermoformed Aligners
The goal of this study is to evaluate and compare the clinical effectiveness of in-office directly 3D-printed clear aligners versus conventional multilayered thermoformed aligners.
- Conditions
- Angle Class I Malocclusion, Dental Crowding, Tooth Spacing
- Trial name
- NCT07637227
- Testing
- Direct-Printed Aligner, Thermoformed aligner
- Where
- 3 sites in Iraq
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- University of Baghdad
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
Tooth Crowding, Dental Crowding
Analysis of Orthodontic Tooth Movement Using 3D Imaging
Purpose: This project aims to study the effects of wire dimension and ligation method (bracket type) on the first stage of orthodontic treatment using 3D imaging.
- Conditions
- Tooth Crowding, Dental Crowding, Malocclusion
- Trial name
- NCT03398798
- Testing
- .014", .016", Twin brackets
- Where
- 2 sites in United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Crowding of Anterior Maxillary Teeth, Crowding of Anterior Mandibular Teeth
Comparing Labial and Lingual Orthodontic Appliances on Root Resorption and Bone Height
Patients who have moderate crowding that could be treated on a non-extraction will be treated in this study. The apical root resorption and alveolar bone height of the lingual and labial fixed appliances will be assessed.
- Trial name
- NCT06401369
- Testing
- Lingual brackets, Buccal brackets
- Where
- Syria
- Volunteers
- 40 people
- Sponsor
- Damascus University
Crowding of Anterior Mandibular Teeth
Efficiency of Using Copper-Nickel-Titanium Versus Nickel-Titanium Arch Wires on Anterior Segment Crowding Alleviation in Group of Adults With Moderate Crowding
Evaluate the efficiency of using copper nickel titanium (CuNiTi) arch wire on the initial stage of leveling and alignment regarding their rate of alignment in comparison to Conventional Nickel Titanium arch wire (NiTi) by…
- Trial name
- NCT04815200
- Testing
- Copper Nickel titanium arch wire
- Where
- Egypt
- Volunteers
- 30 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 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
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
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
Correction of Upper Crowding
Evaluation of DPA for Treatment of Upper Anterior Crowding
Evaluation of effectiveness of direct printed clear aligner in relive crowding in maxillary incisor
- Trial name
- NCT06625658
- Testing
- Direct printed clear aligners
- Where
- Egypt
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Samia Omar
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
Malocclusion, Angle Class I, Dental Crowding
Bracket Positioning Techniques and Quality of Orthodontic Finishing
This three-arm randomized clinical trial compares three orthodontic bracket positioning techniques - Smile Arc Protection (SAP), Smile Arc and Marginal Ridge Approach (SAMRA), and the McLaughlin-Bennett-Trevisi (MBT) bracket…
- Trial name
- NCT07708363
- Testing
- Smile Arc Protection (SAP) bracket positioning, Smile Arc and Marginal Ridge Approach (SAMRA) bracket positioning; Procedure, McLaughlin-Bennett-Trevisi (MBT) chart bracket positioning
- Where
- Egypt
- Volunteers
- 39 people
- Sponsor
- Future University in Egypt
Acute Illness
Clinical Decision Unit (CDU) - Evaluation of a Novel Approach to Address Emergency Department Overcrowding
This randomized controlled trial will introduce a Clinical Decision Unit (CDU) into the University of Alberta Hospital Emergency Department(ED)and assess the influence on ED length of stay, patients who leave without being seen…
- Trial name
- NCT00497393
- Testing
- Clinical Decision Unit
- Where
- Canada
- Volunteers
- 6,217 people
- Sponsor
- University of Alberta
Malocclusion Class I, Crowding of Teeth
Self-ligating vs Conventional Brackets and Labial Bone Thickness During Crowding Correction in Adults
This randomized clinical trial compares two types of orthodontic brackets, self-ligating and conventional, in adults aged 18 to 25 with moderate crowding of the lower front teeth (4 to 8 mm).
- Trial name
- NCT07878234
- Testing
- Self-ligating orthodontic brackets, Conventional orthodontic brackets
- Where
- Egypt
- Volunteers
- 20 people
- Sponsor
- Future University in Egypt
Dental Crowding, Malocclusion
Clear Aligners With Two Different Change Schedules vs Traditional Braces for People With Crowded Lower Front Teeth
The goal of this clinical trial was to compare two clear aligner treatment plans with traditional braces for treating crowded lower front teeth in adults. Clear aligners were removable plastic trays.
- Trial name
- NCT07821723
- Testing
- Clear aligner, 0.25 mm per step, Clear aligner, 0.35 mm per step, Conventional fixed orthodontic appliance
- Where
- Egypt
- Volunteers
- 21 people
- Sponsor
- Ain Shams University
Mandibular Anterior Crowding, Piezocision
Efficiency of Piezotome-Corticision Assisted Orthodontics
The aim of this study is to evaluate the hypothesis that a piezotome-corticision procedure will have a transient acceleratory effect on the rate of tooth alignment and the overall treatment time.
- Conditions
- Mandibular Anterior Crowding, Piezocision, Pain Perception
- Trial name
- NCT02026258
- Testing
- Piezotome-Corticision, Orthodontics
- Where
- United States
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- UConn Health