Clinical trials: Crowding
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
Tooth Overcrowding
Localized Piezoelectric Alveolar Decortication With Customized Orthodontic Treatment in Adults
The aim of the present randomized controlled clinical trial will compare Insignia orthodontic treatment to piezocision-assisted Insignia orthodontics in adult patients.
- Trial name
- NCT03406130
- Testing
- Orthodontic Procedure, Piezocision surgery
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Liege
Occlusion
Effects of Clear Aligners Versus Fixed Appliances on Occlusion After Treatment of Mild Anterior Crowding
The aim of this study is to evaluate effects of clear aligners versus fixed appliances on occlusion after treatment of mild anterior crowding a T-scan study.
- Trial name
- NCT05737290
- Testing
- Clear aligners, Fixed appliances
- Where
- Egypt
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Crowding of Anterior Mandibular Teeth
Pain, Acceptance, and Discomfort With Periodontally Accelerated Osteogenic Orthodontics (PAOO)
Patients will be examined in the Orthodontic Department of the University of Damascus Dental School. Patients who will be treated in conjunction with the PAOO procedure and subjects who will meet the inclusion criteria will be…
- Trial name
- NCT04728464
- Testing
- Periodontally Accelerated Osteogenic Orthodontics (PAOO)
- Where
- Syria
- Volunteers
- 16 people
- Sponsor
- Damascus 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
Covid19, Emergencies
Prediction of the Patient Pathway in Emergency Room in an Exceptional Sanitary Situation
The COVID-19 outbreak leads to optimize the pathway in emergency departments. The length of time spent in the Emergency Department is linked to the morbi-mortality and the risk of COVID-19 transmission.
- Trial name
- 3PU-SSE (NCT04665778)
- Testing
- hospital bedroom booking
- Where
- France
- Volunteers
- 1,516 people
- Sponsor
- Centre Hospitalier Universitaire, Amiens
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
Tooth Movement
Evaluation of Treatment Outcome of Lower Incisors Crowding Using Clear Aligners With Laser Acceleration .
The present study will be performed to evaluate the effect of low-level laser therapy (LLLT) on the rate of orthodontic tooth movement through the correction of lower incisors crowding using clear aligners
- Trial name
- NCT06526871
- Testing
- Low-Level Laser acceleration, clear aligner therapy
- Where
- Egypt
- Volunteers
- 22 people
- Sponsor
- Huda Abdelhakim
Malocclusion of Anterior Teeth
Effects of Laser Therapy and Vitamin D Pills on Braces Tooth Movement: A Random Controlled Study
This clinical trial aims to evaluate the efficacy of low-level laser therapy (LLLT) in conjunction with oral vitamin D3 supplementation in accelerating orthodontic tooth movement in adults with crowded mandibular anterior teeth…
- Trial name
- LLLT (NCT07286474)
- Testing
- Cholecalciferol (Vit D3), Low-Level Laser Therapy, Fixed Orthodontic Appliance
- Where
- Saudi Arabia
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Universiti Sains Malaysia
Ankle Injuries, Nurse's Role
Early Prescription of Radiography Using the Ottawa Ankle Rules by a Nurse in the Management of Isolated Ankle Trauma
The study will be conducted in 2 phases (A and B) using two different groups of patients in order to prove that an early prescription of radiography using the Ottawa Ankle Rules by a nurse practitioner could shorten length of…
- Conditions
- Ankle Injuries, Nurse's Role, Emergencies
- Trial name
- PARIAO (NCT04021511)
- Testing
- OAR application by a nurse
- Where
- France
- Volunteers
- 63 people
- Sponsor
- Centre Hospitalier de Saint-Brieuc
Non-small Cell Lung Cancer Stage III
Chemoradiotherapy With Surgery Followed by Consolidation Durvalumab
Lung cancer presents a significant treatment challenge, particularly in the heterogeneous stage III NSCLC patient population. While chemotherapy combined with high-dose radiotherapy (60 Gy in 30 fractions of 2 Gy once daily) is…
- Trial name
- CROWD (NCT06908070)
- Testing
- Consolidation durvalumab
- Where
- Netherlands
- Volunteers
- 38 people
- Sponsor
- Idris Bahce
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
Emergency Department Overcrowding
ED Overcrowding Validation Study
The aim of this study is to externally validate a new emergency department overcrowding estimation tool (SONET) developed at John Peter Smith Health Network (JPS).
- Trial name
- EDOVS (NCT02754245)
- Volunteers
- 7,000 people
- Sponsor
- Baylor Research Institute
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
Malocclusion, Long Face Syndrome
Effect of Extraction Vs Non-extraction Orthodontic Treatment on Vertical Facial Dimension
The aim of the current clinical trial was to evaluate the effects of premolar extractions compared with non-extraction orthodontic treatment on the skeletal vertical dimension of the face.
- Conditions
- Malocclusion, Long Face Syndrome, Crowding, Tooth
- Trial name
- NCT04151875
- Testing
- Extraction orthodontic treatment, Non-extraction orthodontic treatment
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cairo University
Malocclusion, Angle Class I, Crowding
The Role of Low Level Laser Therapy in Acceleration of Teeth Alignment in Lingual Orthodontic Patients
We will treat patients with class I malocclusion who have moderate crowding (4-6 mm) according to Little's irregularity index and asses the efficacy of low level laser therapy in accelerating orthodontic tooth movement .
- Trial name
- NCT03646942
- Testing
- low level laser therapy, Lingual Orthodontics
- Where
- Syria
- Volunteers
- 36 people
- Sponsor
- Damascus University
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
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, 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
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