Clinical trials: Crowding, open to volunteers
Crowding of Anterior Mandibular Teeth
Evaluating the Efficacy of Micro-Osteoperforations Technique on the Orthodontic Tooth Movement Acceleration in Moderate Mandibular Anterior Crowding Cases Treated With Clear Aligners
Patients with moderate mandibular anterior crowding will be treated in this study. The efficacy of micro-osteoperforations technique by special drill in accelerating orthodontic tooth movement during clear aligners therapy will…
- Trial name
- NCT05492773
- Testing
- Micro-osteoperforations Technique, Active comparater
- Where
- Syria
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Hama University
Colorectal Cancer
A Community Population Screening Cohort Study Based on Polygene Methylation Detection for Colorectal Cancer in Yangzhou
This is a cross-sectional cohort study based on community population jointly developed by Northern Jiangsu People's Hospital and Shanghai Kunyuan Biological Technology Co., LTD.
- Trial name
- NCT05336539
- Where
- 2 sites in China
- Volunteers
- 80,000 people, healthy volunteers welcome
- Sponsor
- Singlera Genomics Inc.
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
Dental Crowding, Dental Occlusion, Traumatic
Exploration of the Utility of Dental-dedicated MRI for Dentistry
This description observational research is comparative in design, that is comparing existing standard clinical dental images, not obtained in this study, to test (i.e., ddMRI) images.
- Conditions
- Dental Crowding, Dental Occlusion, Traumatic, Endodontic Disease, Orthodontic Treatment
- Trial name
- NCT06948162
- Testing
- dental-dedicated MRI (ddMRI)
- Where
- United States
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
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
Correction of Upper Crowding
Evaluation of DPA for Treatment of Upper Anterior Crowding
Evaluation of effectiveness of direct printed clear aligner in relive crowding in maxillary incisor
- Trial name
- NCT06625658
- Testing
- Direct printed clear aligners
- Where
- Egypt
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Samia Omar
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
Length of Stay, Emergency Department Crowding
Digital Anticipatory Protocols at Triage to Improve ED Flow.
This study aims to evaluate a pre-post intervention adding an early management decision at the end of the triage process to improve patient throughput.
- Conditions
- Length of Stay, Emergency Department Crowding, Emergency Department Patient, Emergency Department Triage
- Trial name
- NCT07726108
- Testing
- Digital Anticipatory Protocols at Triage
- Where
- Switzerland
- Volunteers
- 15,500 people, healthy volunteers welcome
- Sponsor
- Hôpital Fribourgeois
Triage, Low Acuity Patients
FOllow-up of LOW-acuity Patients After REdirection From a Swiss Emergency Department Using an Electronic TRIage Application
Emergency department (ED) overcrowding is a growing issue, affecting patient safety, healthcare quality, and hospital efficiency.
- Conditions
- Triage, Low Acuity Patients, Health Literacy Level, Non-urgent Emergencies
- Trial name
- FO-LOW-RETRI (NCT06971419)
- Testing
- intervention is the use of aTriage-Based Patient Redirection Using an Electronic Decision Support Toolin the emergency department (ED)
- Where
- Switzerland
- Volunteers
- 450 people, healthy volunteers welcome
- Sponsor
- Hôpital Fribourgeois