Clinical trials: Class II Malocclusion
Angle Class 2 Malocclusion
Changes in Arch Parameters After Molar Distalization; Hybrid Hyrax Distalizer Versus Pendulum
this study was to compare the changes in arch parameters after molar distalization; hybrid hyrax distalizer versus Pendulum distalizer using CBCT.
- Trial name
- NCT05470179
- Testing
- Hybrid hyrax distalizer, Pendulum distalizer
- Where
- 2 sites in Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Mohamed Abdelrhman Shendy Abdelrhman
Malocclusion, Angle Class II
Dentoskeletal Changes Associated With Herbst Appliance Therapy
The aim of the study is to perform a three-dimensional (3D) evaluation of the dentoskeletal changes in pubertal Class II malocclusion subjects treated with the Herbst appliance (HAG), in comparison with a Class II comparison…
- Trial name
- NCT02456220
- Testing
- Herbst appliance
- Where
- Brazil
- Volunteers
- 50 people
- Sponsor
- Bernardo Quiroga Souki
Compliance, Patient, Treatment Adherence
Treatment Adherence With Twin-Blocks for Correction of Class II Malocclusion
To compare the effect of two control intervals (once every 4th week or once every 6th week) on the wear time of a Twin Block removable appliance.
- Trial name
- NCT05155774
- Testing
- Twin block
- Where
- Sweden
- Volunteers
- 73 people
- Sponsor
- Region Jönköping County
Malocclusion, Angle Class II
Effect of Low-Intensity Pulsed Ultrasound on Functional Treatment of Class II Malocclusion
This experimental study will evaluate the effect of combined treatment with low-intensity pulsed ultrasound (LIPUS) and functional appliances (twin-block) on the correction of class II malocclusion, compared with the control…
- Trial name
- NCT03251807
- Testing
- Twin-block, LIPUS (Low-intensity pulsed ultrasound)
- Where
- Syria
- Volunteers
- 40 people
- Sponsor
- Damascus University
Malocclusion, Angle Class II
Predictors Associated With Seeking Orthodontic Treatment, Compliance and Treatment Success
Aim: to search for reasons for seeking orthodontic treatment, compliance during orthodontic treatment, drop-out from orthodontic treatment and success of orthodontic treatment.
- Trial name
- PONCOS (NCT03455634)
- Testing
- Twin Block, Sander bite jumping appliance
- Where
- Croatia
- Volunteers
- 110 people
- Sponsor
- Visnja Katic
Orthodontic Appliance Complication, Angle Class II Patients, Distalization
En Masse Distaliaztion Via Skeletal Anchorage
Comparing the efficacy and performance of two conventionally anchored distalizers after modifying them to be skeletally anchored.
- Trial name
- NCT05245929
- Testing
- Distalization
- Where
- Egypt
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Malocclusion, Angle Class II
RCT Comparing Invisalign and Traditional Orthodontic Treatment
Comparison of orthodontic patients treated with aligners and traditional (clear braces)
- Trial name
- NCT04556448
- Testing
- Aligners, Clear braces
- Where
- United States
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- Texas A&M University
Class II Malocclusion
Effectiveness of Modified Functional Appliance With Expander
This clinical trial compares the effectiveness of a myofunctional appliance that uses a clear and modified twin block appliance with an expander made from 2mm biocompatible polyethylene terephthalate modified with Glycol…
- Trial name
- NCT06116500
- Testing
- Modified twin block appliance with expander, Conventional twin block appliance with expander
- Where
- Iraq
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of Baghdad
Dental Malocclusions, Angle Class II, Division 1
Flapless Mops for Acceleration of Canine Retraction
The aim of the present clinical study was directed to evaluate the effectiveness of micro-osteoperforations on the rate of canine retraction; in addition, the potential risk for root resorption during maxillary canine retraction.
- Conditions
- Dental Malocclusions, Angle Class II, Division 1, Bimaxillary Protrusion
- Trial name
- NCT04383600
- Testing
- Micro-osteoperforation
- Where
- Egypt
- Volunteers
- 12 people
- Sponsor
- Ahmed Akram Elawady
Treatment, Growth Modification
Study of The Effects of Mandibular Advancement Aligners in Treating Children With Class II Division 1 Malocclusion
The goal of this clinical trial is to learn the effects of Mandibular Advancement Aligner in growth modification of children with Class II Division 1 malocclusion.
- Trial name
- NCT07420270
- Testing
- Mandibular Advancement Aligner
- Where
- Malaysia
- Volunteers
- 21 people
- Sponsor
- University of Malaya
Orthodontic Appliances, Removable, Orthodontic Appliance Complication
Microbial Adherence, Surface Roughness, Effectiveness and Impact on Patients Between Conventional and 3D Printed Twin Block Appliances
The Twin Block appliance is a removable orthodontic appliance that is used to help correct a backward positioned lower jaw in growing children.
- Conditions
- Orthodontic Appliances, Removable, Orthodontic Appliance Complication, Class II Malocclusion, Division 1
- Trial name
- NCT06944860
- Testing
- Conventional TBA, 3D TBA
- Where
- Malaysia
- Volunteers
- 32 people
- Sponsor
- University of Malaya
Class II Division 1 Adolescent Patients
Three-Dimensional Evaluation of Pharyngeal Airway and Facial Dimension Changes in Skeletal Class II Patients Treated With Twin Block Versus Myobrace Appliances
This study is intended primarily to compare the effects of two Class II correction appliances, namely Twin block and Myobrace appliances, on pharyngeal airway dimensions during the treatment of class II division 1 adolescent…
- Trial name
- NCT06976749
- Testing
- myobrace appliance, Twin block
- Where
- Iraq
- Volunteers
- 50 people
- Sponsor
- University of Baghdad
Skeletal Malocclusion
Comparison of AMCOP Bioactivator and High-pull Headgear in Treating Skeletal Class II Hyperdivergent Pediatric Patients
The aim of the present study was to retrospectively compare the clinical use of high-pull headgear versus AMCOP bioactivators for hyperdivergent pediatric patients.
- Trial name
- NCT06281613
- Testing
- AMCOP group, High-pull headgear
- Where
- Italy
- Volunteers
- 40 people
- Sponsor
- University of Pavia
Juvenile Idiopathic Arthritis, Malocclusion, Angle Class II
Mandibular Advancement Clear Aligner Treatment in Juvenile Idiopathic Arthritis Subjects
There is currently no information on how mandibular advancement therapy could influence three-dimensionally the condylar and mandibular morphology in growing patients affected by Juvenile Idiopathic Arthritis (JIA).
- Trial name
- NCT05467579
- Testing
- Device: orthodontic - mandibular advancement clear aligner
- Where
- Italy
- Volunteers
- 50 people
- Sponsor
- University of Genova
Class II Division 1 Malocclusion
Effect of Low-level Laser Therapy During Maxillary Molar Distalization Using a Skeletally Anchored Appliance
study will be directed to evaluate the effect of low-level laser therapy during maxillary molar distalization using a skeletally anchored appliance
- Trial name
- NCT05465473
- Testing
- Distalization
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Class II Division 1 Malocclusion, Maxillary Prognathism
Laser-assisted Flapless Corticotomy in Accelerating Canine Retraction
Erbium lasers have been suggested to accomplish corticotomy without flap reflection due to their attractive advantages. The current trial aimed to evaluate the efficacy of laser-assisted flapless corticotomy in accelerating…
- Conditions
- Class II Division 1 Malocclusion, Maxillary Prognathism, Protrusion, Incisor
- Trial name
- NCT04316403
- Testing
- Er:YAG laser
- Where
- Syria
- Volunteers
- 18 people
- Sponsor
- Damascus University
Malocclusion, Angle Class II, Division 1
Evaluation of Mini Plates Anchorage With Forsus Fatigue Resistant Device
The purpose of this study is to determine if the Forsus Fatigue resistant Device appliance with direct skeletal mini plates anchorage is capable of achievement of skeletal mandibular effects while preventing the excessive…
- Trial name
- NCT02475785
- Testing
- FFRD and mini plates group, Conventional FFRD
- Where
- Egypt
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Sherif A. Elkordy
Skeletal Class 2
Evaluation of the Effects of Flat and Modified Inclined Fixed Anterior Bite Planes on Mandibular Position in Growing Females With Skeletal Class 2 Malocclusion Due to Mandibular Deficiency and Deep Bite
This study will be conducted to see if unlocking mandible from deep bite in growing females by flat fixed anterior bite plane will change mandibular position in skeletal mandibular deficiency and if there is a difference in the…
- Trial name
- NCT03308175
- Testing
- flat fixed anterior bite plane, modified inclined fixed anterior bite plane
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cairo University
Class II Malocclusion
Which is Better Piezosurgery or LLLT in Accelerating Orthodontic Tooth Movement
Sixty patients requiring extraction-based treatment of the maxillary first premolars, followed by retraction of the maxillary canines, will be randomly assigned to three groups: piezocision, low-level laser therapy, and control.
- Trial name
- NCT05227859
- Testing
- Piezocision, Low-level laser, Conventional treatment
- Where
- Syria
- Volunteers
- 60 people
- Sponsor
- Damascus University
Skeletal Malocclusion
Comparison Between Aesthetic Functional Appliances and Twin Block in Correction of Skeletal Class II
The goal of this is to evaluate the skeletal, dental and soft tissue effects between aesthetic functional appliance and Twin block appliance in treatment of skeletal class II in ( growing male/female patients)
- Trial name
- NCT06631235
- Testing
- orthopedic appliance, aesthetic orthopedic appliance
- Where
- Egypt
- Volunteers
- 42 people
- Sponsor
- Mansoura University