Clinical trials: Crowding of Teeth
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
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
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
Crowding
Evaluation of the Levels of Pain and Discomfort Between Two Methods of Leveling and Alignment
The duration of orthodontic treatment is one of the exacerbation causes of orthodontic pain. Several methods have been suggested to reduce the duration of orthodontic treatment classified to surgical and non-surgical methods.
- Trial name
- NCT04348526
- Testing
- Corticision, Traditional orthodontic treatment
- Where
- Syria
- Volunteers
- 26 people
- Sponsor
- Damascus University
Teeth Crowding
Comparison of Oral Health Related Quality of Life Changes Between Clear Aligners and Vestibular Fixed Appliances
Patients who have severe crowding that required four premolars extraction will be treated in this study. The effects of clear aligners therapy on oral health related quality of life (OHRQoL) in comparison with vestibular fixed…
- Trial name
- NCT04866238
- Testing
- Vestibular fixed appliances, Clear aligners
- Where
- Syria
- Volunteers
- 36 people
- Sponsor
- Damascus University
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
Acute Disease, Sepsis
Acutelines: a Large Data-/Biobank of Acute and Emergency Medicine
Research in acute care faces many challenges, including enrollment challenges, legal limitations in data sharing, limited funding, and lack of singular ownership of the domain of acute care.
- Conditions
- Acute Disease, Sepsis, Pneumonia, Frailty
- Trial name
- Acutelines (NCT04615065)
- Where
- Netherlands
- Volunteers
- 35,000 people
- Sponsor
- University Medical Center Groningen
Dislocation, Tooth, Teeth, Endodontically-Treated
Treatment Result of Zirconia Laminate Veneer
This study aims to evaluate the clinical performance of the zirconia laminate veneer, a minimally invasive prosthetic restoration
- Conditions
- Dislocation, Tooth, Teeth, Endodontically-Treated, Tooth Fracture, Tooth Injuries
- Trial name
- NCT06406582
- Testing
- Zirconia laminate veneer, Lithium Disilicate laminate veneer
- Where
- Vietnam
- Volunteers
- 50 people
- Sponsor
- Hanoi Medical University
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
Malocclusions, Narrow Maxilla
Hyrax Vs. Invisalign Palatal Expander Clinical Study
The purpose of this study is to compare expansion result and the overall experience between the Invisalign Palatal Expander and the Hyrax expander.
- Conditions
- Malocclusions, Narrow Maxilla, Narrow Maxillary Arch, Crowding
- Trial name
- NCT06662279
- Testing
- Removable Rapid Palatal Expander, Banded Palatal Expander
- Where
- 4 sites in United States
- Volunteers
- 36 people
- Sponsor
- Align Technology, Inc.
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
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
Emergency Care, Telemedicine
Telemedicine-Based Emergency Physician Assessment Prior to ED Entry: A Randomized Controlled Trial
Background: Emergency department (ED) overcrowding is a growing challenge worldwide and is associated with prolonged length of stay (LOS), reduced patient satisfaction, and increased burden on healthcare systems.
- Conditions
- Emergency Care, Telemedicine, Emergency Department Crowding
- Trial name
- NCT07546071
- Testing
- Telemedicine-Based Remote Physician Assessment
- Where
- Israel
- Volunteers
- 200 people
- Sponsor
- Sheba Medical Center
Crowding of Anterior Mandibular Teeth
Oral Health-Related Quality of Life Between Two Different Types of Orthodontic Appliances
Patients who have mild crowding from the Orthodontic Department at University of Damascus Dental School will be treated in this trial.
- Trial name
- NCT06401382
- Testing
- A modified aligner appliance with NiTi springs, Conventional fixed appliances
- Where
- Syria
- Volunteers
- 36 people
- Sponsor
- Damascus University
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
Malocclusion, Angle Class I, Malocclusion; Displaced or Missing Teeth
Comparison Between Clear Aligners and Traditional Fixed Appliances in the Treatment of Four-premolar-extraction Cases
Patients who have severe crowding that require four premolars extraction will be treated in this study. The efficacy of the clear aligners and vestibular fixed appliances will be assessed.
- Conditions
- Malocclusion, Angle Class I, Malocclusion; Displaced or Missing Teeth, Crowding
- Trial name
- NCT03645356
- Testing
- Fixed Appliances, Clear Aligners
- Where
- Syria
- Volunteers
- 40 people
- Sponsor
- Damascus University
Dental Crowding, Passive Extraction Space
Comparison of Alignment Efficiency, Arch Dimensional Changes, and Passive Extraction Space Closure Between Self-Ligating and Conventional Brackets
Purpose: This study aims to compare two types of orthodontic braces - self-ligating brackets (SLBs) and conventional brackets (CBs) - to see which one aligns teeth faster, affects the width of the dental arch, and closes spaces…
- Conditions
- Dental Crowding, Passive Extraction Space, Intercanine Width, Intermolar Width
- Trial name
- SLBs CBs RCT (NCT07503314)
- Testing
- Self-Ligating Brackets (SLB), Conventional Bracket
- Where
- Pakistan
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Saidu College of Dentistry
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
Angle's Class I Malocclusion, Crowding, Tooth
Effectiveness of Clear Aligners in Different Thicknesses
This study aimed to evaluate the effectiveness, pain, and satisfaction levels between patients treated with different thicknesses of clear aligners among Class I maxillary mild crowding cases.
- Trial name
- NCT06504498
- Testing
- 0.5 mm-thick Duran® clear aligner, 0.75 mm-thick Duran® clear aligner
- Where
- Turkey (Türkiye)
- Volunteers
- 28 people
- Sponsor
- Mersin University
Dental Crowding, Gingival Recession
Evaluating the Clinical Efficacy of Collagen Scaffold (Ossix VOLUMAX) With Piezo-Surgical Decortication in Enhancing Orthodontic Treatment Outcomes: A Randomized Controlled Trial
Recent advances in orthodontic treatment have explored various materials to enhance treatment efficacy, particularly focusing on collagen scaffolds.
- Conditions
- Dental Crowding, Gingival Recession, Thin Phenotype
- Trial name
- NCT07097714
- Testing
- Piezocision with ribose cross-linked collagen matrix (Ossix® Volumax), control
- Where
- Russia
- Volunteers
- 70 people
- Sponsor
- NMSI DENTMASTER