Clinical trials: Space Closure, Orthodontic
Gingival Cleft, Orthodontic Space Closure
Gingival Cleft Development at Two Time Points of Canine Retraction
The goal of this split-mouth randomized controlled trial is to assess whether the timing of extraction space closure-early vs. delayed initiation-affects the incidence of gingival cleft development in orthodontic patients.
- Trial name
- NCT07210762
- Testing
- Early space closure, Delayed space closure
- Where
- Pakistan
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Bahria University
Orthodontic Anchorage Procedures, Orthodontic Space Closure
Miniscrews as Anchorage Device for Orthodontic Treatment
The purpose of this trial is to study and compare two different anchorage techniques. Adolescent patients in need for orthodontic treatment are randomized into Group A and B.
- Trial name
- NCT02644811
- Testing
- Topical anesthesia (buccal and palatal), Local anesthesia (buccal and palatal), Extraction of the maxillary first premolars
- Where
- Sweden
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Region Gävleborg
Space Closure, Orthodontic
Comparison of T-loop vs Opus Loop in Canine Retraction Efficacy and Anchorage Loss Control
The primary aim of this split-mouth randomized control trial is to compare the rate of canine retraction between the T loop and the Opus loop.
- Trial name
- NCT06945575
- Testing
- Opus loop, T loop
- Where
- Pakistan
- Volunteers
- 14 people
- Sponsor
- Dow University of Health Sciences
Tooth Extraction Status Nos
Efficacy of Skeletal Anchorage (MINISCREW)
The main objective of the investigators' study is to assess the efficacy of a course of treatment using skeletal anchorage (MINISCREW) as compared with treatment involving dental anchorage (reference) during dentofacial…
- Trial name
- Minivis (NCT01025141)
- Testing
- Skeletal anchorage (MINISCREW), dental anchorage
- Where
- France
- Volunteers
- 99 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
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
Malocclusion
Effect of Cyclic Loading (Vibration) on Orthodontic Tooth Movement
To gather data indicating whether or not the OrthoAccel device speeds tooth movement in people who use orthodontics (braces).
- Trial name
- NCT00830947
- Testing
- OrthoAccel Device
- Where
- United States
- Volunteers
- 45 people
- Sponsor
- OrthoAccel Technologies Inc.
Malocclusion, Angle Class I
A Comparison Between GUMMETAL and SS Orthodontic Wires in Space Closure
When there is space present between our teeth orthodontically we have the ability to close them through many methods. Using braces as our treatment modality this study will be investigating how efficient a new orthodontic wire is…
- Trial name
- NCT04591080
- Testing
- GUMMETAL Orthodontic Wire, Stainless Steel (CrNi)
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- State University of New York at Buffalo
Orthodontic Extraction
Comparison of Rate and Amount of Orthodontic Space Closure
The goal of this clinical trial is to compare rate and amount of space closure among fresh vs healed extraction sites during fixed orthodontic treatment in patients with all first premolar's extraction Primary outcome measure is…
- Trial name
- Premolar (NCT07445321)
- Testing
- Space Closure
- Where
- Pakistan
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Dow University of Health Sciences
Orthodontic Anchorage, Power Arm Sliding
Comparison of Maxillary Canine Retraction Rate With and Without Power Arm
The goal of this split-mouth randomized clinical trial is to compare maxillary canine retraction with and without power arm during fixed orthodontic treatment.The main question it aims to answer is What are the differences in the…
- Conditions
- Orthodontic Anchorage, Power Arm Sliding, Direct Sliding, Orthodontic Space Closure
- Trial name
- NCT07836816
- Testing
- Split-mouth randomized clinical trial
- Where
- Bangladesh
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Tanzila Rafique
Malocclusion, Angle Class I, Bimaxillary Protrusion
3D Comparison of Anterior Teeth Retraction and Anchorage Control Between En-masse and Two-step Mechanics
The aim of this study is to compare en masse (EM) and two-step anterior teeth retraction (TSR) evaluated by means of three-dimensional images superimposition.
- Conditions
- Malocclusion, Angle Class I, Bimaxillary Protrusion, Orthodontic Space Closure
- Trial name
- NCT03903575
- Testing
- En masse anterior teeth retraction, Two-Step Retraction
- Where
- Brazil
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Rio de Janeiro State University
Orthodontic Appliance
Speed of Premolar Extraction Space Closure: Healed vs Recent Extraction Site
The aim was to compare the rate of teeth movement into fresh and old extraction sites.
- Trial name
- NCT04598490
- Testing
- Space closure into old extraction space, Space closure into recent extraction space
- Where
- Jordan
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Jordan University of Science and Technology
Cytokine Measurements, Orthodontic Space Closure
Biological Markers Evaluation of Accelerated Tooth Movement
Gingival Crevicular Fluid samples will be collected using periopapers after accelerated tooth movement technique, results will be assessed with biomarkers levels done using ELISA Assays
- Conditions
- Cytokine Measurements, Orthodontic Space Closure, Tooth Movement
- Trial name
- NCT02887547
- Testing
- micro-osteoperforation
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Gingival Clefts, Extraction Socket
Gingival Clefts and Orthodontic Movement
Clefts or invaginations of the gingival tissue are a frequent finding during orthodontic space closure after extraction of a tooth. They occur in about 35% of the cases.
- Conditions
- Gingival Clefts, Extraction Socket, Orthodontic Movement
- Trial name
- NCT01402323
- Testing
- time point of tooth extraction
- Where
- Austria
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Orthodontic Appliance
Speed of Premolar Extraction Space Closure: Every Visit Replacement of Working Archwire
The aims of this trial were to assess the effect of changing 0.019X0.025-inch SS working archwire monthly on the rate of space closure, to compare the frictional resistance of unchanged and new working archwires in-vitro, and to…
- Trial name
- NCT04549987
- Testing
- Space closure without changing working archwire monthly, Space closure withchanging working archwire monthly
- Where
- Jordan
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Jordan University of Science and Technology
Malocclusion Class II, Malocclusion, Angle Class I
Effect of Early Versus Late Premolar Extraction on Orthodontic Tooth Movement
The goal of this randomized controlled trial is to evaluate whether the timing of premolar extraction affects the rate of orthodontic space closure during en-masse anterior retraction.
- Trial name
- NCT07773389
- Testing
- Early Maxillary First Premolar Extraction, Late Maxillary First Premolar Extraction
- Where
- Pakistan
- Volunteers
- 26 people
- Sponsor
- Shifa College of Dentistry
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