Clinical trials: Dental Crowding
Orthodontic Aligners
Difference Between Pressing and Vacuum Techniques in Fabrication of Orthodontic Aligners in Cases With Crowding: A Cross-sectional Study
This cross sectional study is aiming to compare 2 methods of clear aligner fabrication.
- Trial name
- NCT06231888
- Testing
- Aligner
- Where
- Egypt
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Cairo University
Malocclusion, Class I/II, Crowding
A Comparative Study Between Modified Miniscrew-Assisted Rapid Palatal Expander And Modified Rapid Palatal Expander in Molar Distalization Using Cone- Beam Computed Tomography
Comparative study between modified miniscrew-assisted rapid palatal expander and modified rapid palatal expander in molar distalization using CBCT.
- Conditions
- Malocclusion, Class I/II, Crowding, Maxillary First Molar Distalization
- Trial name
- MIDPAC (NCT07038902)
- Testing
- Group A: Modified Miniscrew-Assisted Rapid Palatal Expander (MARPE), Group B: Modified Rapid Palatal Expander (RPE)
- Where
- Egypt
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Al-Azhar 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
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
Skeletal and Dental CL I Malocclusion Moderate Crowding
Clinical Effectiveness of Damon Ultima Vs Conventional Brackets Trial)
Compare the clinical performance, root resorption and pain perception between passive self-ligating Damon Ultema vs conventional brackets.
- Trial name
- NCT05978817
- Testing
- Damon Ultima bracket
- Where
- Iraq
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- University of Baghdad
Dental Crowding, Vibrational Force
Intermittent Vibrational Force and Orthodontic Tooth Movement
The aim of this study is to compare the clinical efficiency of conventional fixed appliance orthodontic treatment with that supplemented by the daily application of cyclic forces to the dentition via a removable (AcceleDent)…
- Conditions
- Dental Crowding, Vibrational Force, Fixed Orthodontic Appliances
- Trial name
- NCT02314975
- Testing
- AcceleDent vibrational device, Fixed appliance only
- Volunteers
- 81 people, healthy volunteers welcome
- Sponsor
- King's College London
Emergencies
The Effect of an Physician-Nurse Supplementary Triage Assistance Team on Emergency Department Patient Wait Times
The primary objective of this study is to investigate whether the introduction of a physician-nurse supplementary triage assessment team (MDRN STAT) is effective in improving time-based performance indicators for wait times.
- Trial name
- MDRNSTAT (NCT00991471)
- Testing
- Interaction with MDRN STAT, No MDRNSTAT
- Where
- Canada
- Volunteers
- 6,300 people, healthy volunteers welcome
- Sponsor
- Sunnybrook Health Sciences Centre
Caries
Prevalence of Dental Caries in Patients With Dental Crowding
Dental crowding causes limited access for the toothbrush, and the natural cleansing effect of the teeth by the tongue and saliva is also limited.
- Trial name
- NCT06438926
- Volunteers
- 325 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
Orthodontic Treatment, Tooth Crowding
Assessment of the Efficacy of the Aerodentis System
The purpose of this study is to evaluate the efficacy of the Aerodentis System for orthodontic tooth movement in an open label, two-arms, non-inferiority clinical study.
- Conditions
- Orthodontic Treatment, Tooth Crowding, Orthodontics
- Trial name
- NCT03421886
- Testing
- Aerodentis system, Invisalign clear aligner system
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
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
Tooth Crowding
Teeth Decrowding With and Without Fixed Appliances
In orthodontics, the teeth tend to move to the extraction space. This tooth movement becomes of larger importance when there is a crowding.
- Trial name
- NCT06416189
- Testing
- Fixed appliances
- Where
- Jordan
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Samer Mheissen
Congenital Muscular Torticollis
Birth Complications and Intrauterine Constraints in the Etiology of Congenital Muscular Torticollis: A Nationwide Registry Study
This retrospective register-based cohort study investigates the association between birth complications, intrauterine crowding, and the development of congenital muscular torticollis (CMT).
- Trial name
- NCT06901414
- Where
- Norway
- Volunteers
- 7,105 people, healthy volunteers welcome
- Sponsor
- Vestre Viken Hospital Trust
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
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
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
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
Orthodontic Tooth Movement, Tooth Alignment
Effect of 3 Week vs 6 Week Orthodontic Appointment Intervals on Teeth Alignment
Effect of 3 week vs 6 week orthodontic appointment intervals on teeth alignment in patients with moderate to severe dental crowding: a randomized clinical trial.
- Trial name
- NCT06032702
- Testing
- tooth alignment
- Where
- Pakistan
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Bkahtawar Amin Medical and Dental College Multan
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, 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