Clinical trials: Crowding of Teeth
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
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
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
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, Smile Arc Correction
A Study to Evaluate the Relationship Between Two Bracket System and Their Contribution to Initial Alignment of Maxillary Anteriors - De Crowding, Smile Arc Protection.
The goal of this clinical trial is to compare the two orthodontic bracket systems namely MBT and the Pitts21 for maxillary anterior decrowding, initial alignment as well as the smile arc correction in 6 month period.
- Conditions
- Dental Crowding, Smile Arc Correction, Maxillary Crowded Teeth
- Trial name
- NCT07712055
- Testing
- Pitts 21 bracket system, MBT bracket system
- Where
- India
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Srinivas College of Dental Sciences
Gingival Health, Crowding of Anterior Mandibular Teeth
To Compare the Effects of Lip Bumper Appliance in Rate of Lower Incisor Alignment After First Premolar Extractions
The goal of this clinical trial is to check the effects of lip bumper appliance contribution to driftodontics after designated tooth extractions that are already part of orthodontic treatment plan.
- Trial name
- NCT06929754
- Testing
- Lip bumper
- Where
- Pakistan
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Bahria 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
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
Malocclusion, Crowded Teeth
Factors Affecting Attachment Loss in Clear Aligner Treatment
This prospective clinical study evaluated the incidence of composite attachment loss in patients undergoing clear aligner treatment and identified patient-, tooth-, and treatment-related factors associated with attachment…
- Conditions
- Malocclusion, Crowded Teeth, Attachment
- Trial name
- NCT07352644
- Testing
- Clear Aligners with Composite Attachments
- Where
- Turkey (Türkiye)
- Volunteers
- 4 people
- Sponsor
- Bezmialem Vakif University
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
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 of Anterior Maxillary Teeth
Clear Aligner Treatment With and Without Low Level Laser Therapy for Upper Incisor Crowding
The goal of this clinical trial is to assess the effect of Low Level Laser Therapy (LLLT) on Upper Incisor Crowding using Clear Aligner Treatment (CAT).
- Trial name
- NCT06493721
- Testing
- Clear Aligner Treatment, Low level laser
- Where
- Egypt
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Faculty of Dental Medicine for Girls
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 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
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
Crowding of Anterior Maxillary Teeth
Evaluation of Leveling and Alignment of Maxillary Anterior Teeth Assisted With MOPs :A Comparative Clinical Study
The aim of the study will be directed to evaluate the effect of micro-osteoperforation on orthodontic tooth movement during leveling and alignment of the maxillary anterior teeth.
- Trial name
- NCT05605652
- Testing
- microosteoperforations
- Where
- Egypt
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
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
Crowding of Anterior Mandibular Teeth
Evaluation of the Effectiveness of Piezocision and Micro-osteoperforation in Alleviating Mandibular Anterior Crowding
In recent times, many patients want their treatment duration to be reduced, because lengthy orthodontic treatment duration is associated with negative sequelae such as discomfort, pain, white spot lesions, and decreased patient's…
- Trial name
- NCT04940351
- Testing
- GROUP - A: PIEZOCISION GROUP, GROUP- B: MICRO-OSTEOPERFORATION GROUP
- Where
- India
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Postgraduate Institute of Dental Sciences Rohtak
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
Crowding of Anterior Mandibular Teeth
Mechanical Properties and Clinical Efficacy of Two Nickel-Titanium (NiTi) Archwires
Objective: to compare the changes of the mechanical properties measured by tensile test and three point bending test of two NiTi archwires (heat-activated and superelastic); when exposed to the oral conditions during the first…
- Trial name
- (NiTi) (NCT03256279)
- Testing
- .014" NiTi heat-activated archwire, .014" NiTi Superelastic archwire
- Where
- Colombia
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Fundación Universitaria CIEO