Clinical trials: Crowding of Teeth
Surgical Incision, Malocclusion
Efficacy of Piezosurgey Corticotomy (a Minimally Invasive Surgical Technique) in Accelerating Orthodontic Alignment
Applying flapless piezocision corticotomies on the alveolar bone and separating anterior mandibular teeth using a piezosurgery device (i.e.
- Trial name
- NCT02977221
- Testing
- Piezosurgery
- Where
- Syria
- Volunteers
- 36 people
- Sponsor
- Damascus University
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
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 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
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
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
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
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
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
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
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
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
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
Emergencies
Forecasting ED Overcrowding With Statistical Methods: A Prospective Validation Study
The aim of this study is to prospectively validate statistical forecasting tools that have been widely used retrospectively in forecasting ED overcrowding
- Trial name
- NCT05174481
- Testing
- Early warning system for emergency department overcrowding
- Volunteers
- 160,000 people
- Sponsor
- Tampere University Hospital
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 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