Clinical trials: Angle Class I Malocclusion
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
Angle Class I
Effectives of Non-extraction Orthodontic Treatment of Angle Class I Malocclusion
Introduction: The investigators aimed to evaluate the effectiveness of non-extraction orthodontic treatment for Angle class I malocclusion.
- Trial name
- NCT06638983
- Testing
- Non-extraction Orthodontic Treatment of Angle Class I Malocclusion
- Where
- Vietnam
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Can Tho University of Medicine and Pharmacy
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
Class I Malocclusion, Maxillary Prognathism
Nano Coated Orthodontic Miniscrews for en Mass Retraction of the Upper Arch
study will be directed to evaluate silver-hydroxyapatite nano-coated versus uncoated orthodontic miniscrews for en masse retraction of the upper anterior segment.
- Conditions
- Class I Malocclusion, Maxillary Prognathism, Orthodontic Tooth Movement
- Trial name
- NCT07521267
- Testing
- Silver nanoparticles, uncoated titanium miniscrews
- Where
- Egypt
- Volunteers
- 14 people
- Sponsor
- Al-Azhar University
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
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
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
Malocclusion, Angle Class I, Malocclusion, Angle Class II
3D Printed Occlusal Splints for Intraoperative Use
A 3D printed intraoperative occlusal splint is a custom-made biocompatible resin guide that allows surgeons properly align a patient's upper and lower dentition during surgery.
- Conditions
- Malocclusion, Angle Class I, Malocclusion, Angle Class II, Malocclusion, Angle Class III
- Trial name
- NCT07079111
- Testing
- Formlabs 3D printed occlusal splint, Industry made occlusal splint
- Volunteers
- 70 people
- Sponsor
- Johns Hopkins University
Class II Malocclusion
Evaluation of Skeletal and Dental Effect of the New Hybrid Aesthetic Functional Appliance
use new hybrid aesthetic functional appliance for treatment of class II div 1 malocclusion.
- Trial name
- NCT06209125
- Testing
- hybrid aesthetic functional appliance
- Where
- Egypt
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Dental Malocclusion, Angle Class II
BRIUS Vs FFA Efficiency
The purpose of this study is to compare the Full Fixed Preadjusted appliances (regular braces) when to the BRIUS system.
- Conditions
- Dental Malocclusion, Angle Class II, Angle Class I, Crowding, Tooth
- Trial name
- NCT04347018
- Testing
- BRIUS
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- State University of New York at Buffalo
Class I Malocclusion, Class II Div 1 Malocclusion
Assesment of Ethnic Bias in an Artificial Intelligence Based Orthodontic Diagnosis System
This study explores how artificial intelligence (AI) can be used in orthodontics, which is the area of dentistry that focuses on correcting jaw and bite problems.
- Conditions
- Class I Malocclusion, Class II Div 1 Malocclusion, Class II Division 2 Malocclusion, Class III Malocclusion
- Trial name
- NCT07162753
- Where
- Turkey (Türkiye)
- Volunteers
- 10,000 people, healthy volunteers welcome
- Sponsor
- Bezmialem Vakif University
Malocclusion, Angle Class I, Crowded Teeth
Acceleration of Alignment of Crowded Lower Anterior Teeth
Patients at the Orthodontic Department of University of Damascus Dental School will be examined and subjects who meet the inclusion criteria will be included.
- Trial name
- NCT03659097
- Testing
- periodontally accelerated osteogenic orthodontics
- Where
- Syria
- Volunteers
- 38 people
- Sponsor
- Damascus University
Malocclusion, Angle Class II, Division 1
Efficacy of Biological Technique in Upper Canine Retraction and Levels of Discomfort
Twenty patients need therapeutic extraction of the maxillary first premolars with subsequent retraction of the maxillary canines, will be divided randomly into two groups, and will randomly assigned to one side of the maxillary…
- Trial name
- NCT03399422
- Testing
- i-PRF, canine retraction
- Where
- Syria
- Volunteers
- 20 people
- Sponsor
- Damascus University
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
Class I Malocclusion, Crowded Teeth
The Predictability of Directly Printed Versus Thermoformed Clear Aligners
The study is randomized controlled trial ...The null hypothesis suggests that there is no significant difference between actual and predicted dental movement in patients treated using direct printed aligners produced with Graphy™…
- Conditions
- Class I Malocclusion, Crowded Teeth, Spacing of Anterior Teeth, Rotation
- Trial name
- NCT07350343
- Testing
- Direct-printed aligner (Graphy), Thermoformed aligner
- Where
- Iraq
- Volunteers
- 36 people
- Sponsor
- University of Baghdad
Angle Class I
Effect of Systemic Administration of Vitamin D on the Rate of Orthodontic Tooth Movement - A Randomized Control Trial
This study is to evaluate the effect of vitamin D on the rate of tooth movement by measuring and comparing the extraction space closure during retraction in experimental (vitamin D supplemented) and control groups with a sample…
- Trial name
- NCT05202496
- Testing
- Calcitriol 0.25Mcg Cap, orthodontic treatment
- Where
- India
- Volunteers
- 24 people
- Sponsor
- Postgraduate Institute of Dental Sciences Rohtak
Class II Div 1 Malocclusion
Root Resorption in Class II Div 1 Malocclusion in Upper 1st Premolar Extraction vs Distalization
Rationale: Class II Division 1 malocclusion is characterized by upper anterior teeth protrusion resulting in upper lip protrusion and convex facial profile, which are considered esthetically unfavorable.
- Trial name
- NCT05639725
- Testing
- maxillary Ist premolar extraction, SURGICAL
- Where
- India
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Postgraduate Institute of Dental Sciences Rohtak
Malocclusion, Angle Class II, Division 1, Bimaxillary Protrusion
LLLLT vs Piezocision in Accelerating Orthodontic Canine Retraction
This comparative controlled clinical study aims to evaluate and compare the effectiveness of piezocision and low-level laser therapy (LLLT) as adjunctive interventions to accelerate orthodontic canine retraction.
- Conditions
- Malocclusion, Angle Class II, Division 1, Bimaxillary Protrusion, Class I Malocclusion
- Trial name
- NCT07466641
- Testing
- Low Level Laser Therapy, Piezocision
- Where
- Egypt
- Volunteers
- 21 people
- Sponsor
- Hesham Nabil Ali Al-Qamhawy
CLASS II DIVISION 1 MALOCCLUSION
Response of Individuals With Class II Malocclusion
This investigation aims at distinguishing the subjects that react in a favorable way to the treatment protocol we propose for the Class II treatment
- Trial name
- NCT00248014
- Testing
- Mandibular Advancement Via A Functional Appliance
- Where
- Greece
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Aristotle University Of Thessaloniki
Malocclusion, Angle Class I
Effect of Different Grafting Material Following Surgically Facilitated Orthodontics Therapy
The purpose of this study is to quantitatively investigate the radiographic changes of alveolar bone, and gingival tissue changes of the mandibular anterior teeth in experimental group A receiving SFOT using freeze-dried…
- Trial name
- NCT06627829
- Testing
- Surgically facilitated orthodontics therapy (SFOT) using allograft, Surgically facilitated orthodontics therapy (SFOT) using xenograft, Usual care
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- The University of Texas Health Science Center, Houston