Clinical trials: Angle Class II
Class II Division 1 Malocclusion, Class III Malocclusion
Efficiency of Canine Retraction Using Different Reactivation Intervals
Canine retraction after 1st premolar extracion into the extraction space is a routine treatment in orthodontics. Orthodontic patients requiring first premolar extraction, canine retraction and maximum anchorage were recruited for…
- Conditions
- Class II Division 1 Malocclusion, Class III Malocclusion, Bimaxillary Protrusion, Crowding, Tooth
- Trial name
- NCT04905004
- Testing
- Canine retraction
- Where
- Egypt
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Future University in Egypt
Class II Division 1 Malocclusion
Prefabricated Versus 3D-Printing Myofunctional Appliances
The aim of this clinical study is to evaluate the dentoskeletal effects of Class II division 1 treatment in growing patients with a prefabricated myofunctional appliance versus a 3D-printing myofunctional appliance.
- Trial name
- NCT04810286
- Testing
- 3d-Printing Myofunctional Appliance
- Where
- Turkey (Türkiye)
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Ordu University
Class II Div 1 Malocclusion
The Rate of Space Closure With Piezocision-based Corticotomy in Different Facial Types: A Split-mouth Design
23 female participants with class II div I will have extraction of bilateral first bicuspids 10 weeks after bond- up appointment. The extracted teeth will be preserved in special containers for subsequent microscopic analysis.
- Trial name
- RCT (NCT04202016)
- Testing
- Piezocision Surgery
- Where
- Jordan
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Jordan University of Science and Technology
Class II Division 2 Malocclusion
"Changes in TMJ by Twin Block Therapy in Skeletal Class II Div 2 Malocclusion in Adolescent Females : MRI Study"
It is a prospective descriptive study to evaluate TMJ disc-condyle-fossa relationship using MRI scan following functional appliance therapy in skeletal Class II Division 2 malocclusion in adolescent females.
- Trial name
- NCT03481088
- Testing
- Functional appliance therapy
- Where
- India
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Postgraduate Institute of Dental Sciences Rohtak
Class II Division 1 Malocclusion
Bilateral Premolar Extraction vs Distalization: A Randomised Clinical Trial
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
- NCT04743258
- Testing
- MAXILLARY PREMOLAR EXTRACTION, DISTALIZATION
- Where
- India
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Postgraduate Institute of Dental Sciences Rohtak
Class II Division 2 Malocclusion
TMJ Adaptations by Orthodontic Treatment in Adolescent Females With Angle's Class II Division 2 Malocclusion: MRI Study
The aim of this study is to document the changes brought about in the internal anatomic relationships of the TMJ complex,positional changes of glenoid fossa with respect to adjacent cranial structures after completion of fixed…
- Trial name
- NCT04744337
- Testing
- orthodontic treatment
- Where
- India
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Postgraduate Institute of Dental Sciences Rohtak
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, Division 1
Treatment Effects of Herbst Appliance in Skeletal Class II Cases During Prepubertal and Postpubertal Periods
The study was directed to compare the treatment outcomes of subjects with Class II malocclusion who were treated with Herbst appliance before and after puberty.
- Trial name
- NCT04518865
- Testing
- Herbst appliance
- Where
- Egypt
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Angle Class II, Division 1
Skeletally Versus Dentally Anchored Herbst Appliance
The treatment of skeletal Class II malocclusion can be carried out through different approaches. One of these is the using of Fixed Functional Appliances (FFA), one of main drawbacks of these appliances is the proclination of the…
- Trial name
- NCT04402164
- Testing
- Herbst appliance
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Malocclusion, Angle Class II
Effect of Skeletally Anchored Herbst Appliance in Treatment of Skeletal Class 2 Due to Mandibular Retrusion
Ten adolescent female patients with Class 2 mandibular deficiency with a mean age of 16.5 ±1.71 years treated with type IV Herbst appliance.
- Trial name
- NCT04388046
- Testing
- Herbst fixed functional appliance
- Where
- Egypt
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Khaled ELHabbak
Malocclusion, Angle Class II
Effect of Photobiomodulation by 808nm Diode Laser on the Stability of Orthodontic Mini-implants.
The study aimed to evaluate the influence of a 635nm diode laser on the stability of orthodontic mini-implants in vitro, as well as mini-implants failure rate (mini-implant loss) and patients pain level after the treatment.
- Trial name
- NCT04276402
- Testing
- Irradiation of implants with 808nm laser
- Where
- Poland
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Wroclaw Medical University
Malocclusion, Angle Class II
Low-level Laser Therapy With a 635nm Diode Laser on Orthodontic Mini-implants Stability.
The study aimed to clinically estimate an influence of a 635nm diode laser on the primary and secondary stability of orthodontic mini-implants placed in a maxilla, to assess mini-implants failure rate (mini-implant loss) and to…
- Trial name
- NCT04175405
- Testing
- Irradiation of implants with 635nm laser
- Where
- Poland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Wroclaw Medical University
Malocclusion, Angle Class II
Photobiomodulation of Orthodontic Mini-implants by a 635nm Diode Laser
The study aimed to estimate clinically an influence of 635nm diode laser on the primary and secondary stability of orthodontic mini-implants placed in a maxilla, to assess mini-implants failure rate (mini-implant loss) and to…
- Trial name
- NCT04170127
- Testing
- Irradiation of implants with 635nm laser
- Where
- Poland
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Wroclaw Medical University
Class II Malocclusion, Division 1
Evaluation of 3D Printed Modified Twin Block for Correction of Skeletal Class II Malocclusion in Growing Females
The study is to evaluate the effect of 3D printed modified Twin Block Appliance on skeletal Class II profile correction. The null hypothesis of this research is that use of 3D Printed Twin Block is not able to induce skeletal…
- Trial name
- NCT04028661
- Testing
- 3D printed Modified Twin Block Appliance
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Cairo University
Class II Division 1 Malocclusion
Comparison Between Mini Implant Supported Appliance and Headgear in Treatment of Maxillary Excess in Growing Patients
The aim of the study is to compare an Infra-zygomatic Mini implant supported appliance with headgear in distalization and intrusion of maxillary dentition for treatment of growing patients with class II malocclusion (maxillary…
- Trial name
- NCT03839303
- Testing
- Infra-zygomatic Mini Implant Supported Appliance, high pull head gear
- Where
- Egypt
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Cairo University
Class II Div 2 Incisal Relationship
Comparison Between 2 Protocols for the Treatment of Class II Division 2 Malocclusion
The aim of this prospective study was to compare between two different treatment modalities of class II division 2; to start treatment in upper arch first until adequate overjet is obtained or to start in the lower arch first…
- Trial name
- NCT03833739
- Testing
- Fixed appliance
- Where
- Jordan
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Jordan University of Science and Technology
Malocclusion, Angle Class II, Division 1
Clinical Evaluation of Bio-creative Therapy for En Masse Retraction of the Maxillary Anterior Teeth
The purpose of this study is to compare the effectiveness and efficiency of labial versus lingual biocreative therapy in achieving en masse retraction of the maxillary anterior teeth in subjects with class II malocclusion…
- Trial name
- NCT03239275
- Testing
- Biocreative therapy
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Malocclusion, Angle Class II
Study to Compare Two Functional Appliances for Class II Malocclusions
A randomised controlled clinical trial to compare the effectiveness of two functional appliances in the correction of a Class II malocclusion.
- Trial name
- NCT03773783
- Testing
- Button and Bead appliance, Twin Block appliance
- Where
- United Kingdom
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- University of Birmingham
Class II Division 1 Malocclusion
Evaluation of Micro-osteoperforation on Rate of Maxillary En-masse Retraction
accelerated anterior teeth retraction with the help of microosteoperforation procedure and miniscrews.
- Trial name
- NCT03764189
- Testing
- microosteoperforation
- Where
- Egypt
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Cairo University
Class II Division 1 Malocclusion
Effect of Modified Twin Block in Skeletal Class II Growing Females With Mandibular Deficiency
The aim of this study is to evaluate the treatment effects of conventional twin block appliance versus modified twin block appliance in the treatment of patients in growing stage having skeletal class II division 1 with…
- Trial name
- NCT03635463
- Testing
- twin block appliance, modified twin block appliance
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cairo University