Clinical trials: Crowding, open to volunteers
Crowding of Anterior Maxillary Teeth, Orthodontics, Interceptive
Interceptive Maxillary Expansion to Relief Anterior Crowding in the Mixed Dentition
The goal of this clinical trial is to compare if it is better to treat severe anterior crowding in the early mixed dentition then later in the permanent dentition in children with anterior crowding of the upper teeth.
- Conditions
- Crowding of Anterior Maxillary Teeth, Orthodontics, Interceptive, Orthodontics, Corrective, Palatal Expansion Technique
- Trial name
- NCT06187337
- Testing
- Maxillary expansion device
- Where
- 4 sites in Italy, Sweden
- Volunteers
- 60 people
- Sponsor
- Region Örebro County
Angle Class I Maloclussion, Dental Crowding
Orthodontic Treatment Outcomes of Self Ligating System Compared to Clear Aligner System
This study is a multi-center, prospective, parallel-group randomized controlled trial designed to compare the orthodontic treatment outcomes of a passive self-ligating bracket system (Damon Ultima) versus a clear aligner system.
- Trial name
- NCT07638397
- Testing
- self ligating bracket, Clear aligner
- Where
- Iraq
- Volunteers
- 42 people
- Sponsor
- University of Baghdad
Effectiveness of the I-arch System
Clinical Performance of the I-arch System During the Initial Stage of Orthodontic Treatment
The goal of this clinical trial is to learn if the I-arch system works to align the moderately misaligned teeth in patients seeking orthodontic treatment.
- Trial name
- NCT07264127
- Testing
- The use of 0.016×0.014 copper nickel titanium arch wire during the alignment stage., Use of 0.014- then 0.016-inch heat-activated nickel titanium arch wire during the alignment stage.
- Where
- Iraq
- Volunteers
- 34 people
- Sponsor
- Tabark H. Omran
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
Crowding of Teeth, Malocclusion; Displaced Teeth
Timing, Trajectories and Prediction in Severe Dental Crowding: The Create SPACE (cSPACE)
Dental crowding is the most common malocclusion affecting up to 45% of the population and represents one of the leading reasons for seeking orthodontic treatment.
- Conditions
- Crowding of Teeth, Malocclusion; Displaced Teeth, Malocclusion in Children
- Trial name
- cSPACE (NCT07911176)
- Testing
- Early first premolar extraction with observation, Early first premolar extraction with planned fixed orthodontic treatment
- Volunteers
- 300 people
- Sponsor
- Vastra Gotaland Region
Crowding, Tooth, Gingival Diseases
Gingival Phenotype and Dental Crowding in Pediatric Patients
The periodontal phenotype influences treatment outcomes across dental specialties, as tissues of different thickness respond differently to chemical, bacterial, and mechanical insults.
- Trial name
- BIOTIPO_PEDO (NCT07205172)
- Testing
- Orthodontic and periodontal analysis
- Where
- Italy
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Malaligned Teeth, Crowding of Teeth
Effect of Different Adhesive Systems on White Spot Lesions During Fixed Orthodontic Treatment
The primary goal of this study is to compare the number of white spot lesions during fixed appliance therapy between self-etch and one-step bonding systems.
- Trial name
- NCT07753512
- Testing
- Self-etch adhesive, One-Step Adhesive, Conventional Bonding Technique
- Where
- Pakistan
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Foundation University Islamabad
Dental Crowding, Malocclusion, Angle Class I
Treatment Outcome of Elastomeric and Nickel-Titanium Separators in Tooth Separation
Patients seeking fixed orthodontic treatment that requires band placement will be enrolled in this study. This trial aims to compare the efficiency of rectangular cross-section nickel-titanium separators with elastomeric…
- Trial name
- NCT07591454
- Testing
- Elastomeric separators, Nickel-Titanium separators
- Volunteers
- 30 people
- Sponsor
- 3D-Aligners
Tooth Crowding
Effect of Force Magnitude on Canine Retraction and Gingival Crevicular Fluid Proteome
This study aims to examine the effect of force levels in orthodontic treatment during canine retraction. Force levels refer to the pressure applied by the orthodontic devices to move teeth.
- Trial name
- NCT06668194
- Testing
- Light Force (150g Niti Coil), Heavy Force (400 g Niti coil)
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- UConn Health
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
Validity of Ashley Howe's Analysis for the Prediction of the Extraction Treatment Decision in Orthodontic Patients at the Permanent Dentition Stage
This study is to evaluate the validity of Ashley Howe's analysis for the prediction of the extraction treatment decision in orthodontic patients at the permanent dentition stage
- Trial name
- NCT07660146
- Testing
- Ashley Howe's Analysis
- Where
- Egypt
- Volunteers
- 50 people
- Sponsor
- Cairo University
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
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