Clinical trials: Tooth Crowding
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
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
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 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, 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
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
Crowding of Anterior Mandibular Teeth
Efficiency, Efficacy, Periodontal & Occlusal Outcomes for Aligners Versus Fixed Orthodontic Appliances in Crowded Incisor Treatment
The goal of this clinical trial is to compare between fixed labial braces and clear aligners for the straightening of moderately overlapped lower front teeth.
- Trial name
- NCT06731465
- Testing
- Clear aligner therapy, Fixed pre-adjusted edgewise orthodontic appliance
- Where
- United Arab Emirates
- Volunteers
- 40 people
- Sponsor
- University of Sharjah
Crowding, Tooth, Orthodontic
Orthodontic Treatment in Adolescents With Crowding and Displaced Teeth
The purpose is to fill knowledge gaps identified for orthodontic treatment using a novel study design that has not been implemented in the dental field or in orthodontics.
- Trial name
- CROWDIT (NCT05664282)
- Testing
- Damon self-ligating brackets, Victory self-ligating brackets
- Volunteers
- 131 people
- Sponsor
- Malmö University
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
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
Crowding
Alignment Efficiency of Two Thermal Activated Orthodontic Archwire Sequences
The aim of the present study was to compare the effectiveness of two alignment sequences with thermal activated archwires with different Af temperatures applied for the correction of mandibular anterior crowding
- Trial name
- NCT02415673
- Testing
- Fixed orthodontics appliance and arch wire
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Faculty Sao Leopoldo Mandic Campinas
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
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
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
Crowding of Anterior Maxillary Teeth
Efficacy and Periodontal Parameters in Self-ligating Brackets Alone or With Corticotomy vs Conventional Brackets
Patients who have severe crowding on the upper jaw that requires two first premolars extraction will be enrolled in this trial. The different types of brackets, such as self-ligating brackets and conventional brackets, and the…
- Trial name
- NCT04950829
- Testing
- Conventional brackets, Self-ligating brackets, Self-Ligating Brackets with flapless corticotomy
- Where
- Syria
- Volunteers
- 57 people
- Sponsor
- Damascus University
Class I Malocclusion, Crowded Teeth
The Predictability of Directly Printed Versus Thermoformed Clear Aligners
The study is randomized controlled trial ...The null hypothesis suggests that there is no significant difference between actual and predicted dental movement in patients treated using direct printed aligners produced with Graphy™…
- Conditions
- Class I Malocclusion, Crowded Teeth, Spacing of Anterior Teeth, Rotation
- Trial name
- NCT07350343
- Testing
- Direct-printed aligner (Graphy), Thermoformed aligner
- Where
- Iraq
- Volunteers
- 36 people
- Sponsor
- University of Baghdad
Dental Crowding
Early Orthodontic Treatment of Dental Crowding
Aim of the study is to compare treatment duration and effects of orthodontic treatment of dental crowding between treatments started at different stages of mixed dentition phase.
- Trial name
- NCT04756843
- Testing
- Quad-helix
- Where
- Finland
- Volunteers
- 60 people
- Sponsor
- University of Helsinki
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
Crowding of Anterior Mandibular Teeth
Evaluation of the Efficiency of Single Aligner Appliance for Treatment of Mild Crowding Cases in Adults.
36 participants who have mild crowding from the Orthodontic Department at University of Damascus Dental School will be randomly assigned into two groups. 1.
- Trial name
- NCT04988373
- Testing
- Modified aligner appliance, Traditional fixed appliance
- Where
- Syria
- Volunteers
- 36 people
- Sponsor
- Damascus University
Crowding of Anterior Maxillary Teeth
Repeated Injections of i-PRF for Decreasing Root Resorption After the Orthodontic Treatment.
Mandibular incisor crowding is a frequent issue that prompts many adults to seek orthodontic treatment. The treatment may enhance patients' quality of life, facilitate dental plaque control, and improve the quality of periodontal…
- Trial name
- NCT07352241
- Testing
- 4-time i-PRF injection group, Saline injection
- Where
- Syria
- Volunteers
- 36 people
- Sponsor
- Damascus University