Clinical trials: Class II Malocclusion
Class II Malocclusion Division 1
Early Versus Late Intermaxillary Elastics in Patients With Class II Malocclusion
This clinical trial aimed to compare the effect of immediate light short Class II elastics versus conventional Class II elastics on the skeletal, dental and soft tissues in patients with Class II malocclusion.
- Trial name
- NCT06232928
- Testing
- Early Class II elastics, Conventional Class II elastics
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Malocclusion, Class I/II
Comparison of Corticotomy and Micro-Osteoperforation During Canine Retraction
Corticotomy and micro-osteoperforation (MOP) have been proven to accelerate tooth movement and shorten orthodontic treatment time, compared to conventional treatment.
- Trial name
- NCT04999150
- Testing
- Micro-Osteoperforations, Corticotomy
- Where
- Puerto Rico
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- University of Puerto Rico
Malocclusion of Anterior Teeth, Malocclusion in Children
Patient-Reported Outcomes for Different Orthodontic Thermoplastics Used in Clear Aligners
Clear aligner therapy is an esthetic orthodontic treatment modality that uses removable thermoplastic trays to correct dental alignment.
- Conditions
- Malocclusion of Anterior Teeth, Malocclusion in Children, Malocclusion Class II
- Trial name
- NCT07790315
- Testing
- Device / orthodontic clear aligner material
- Where
- Pakistan
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- CMH Lahore Medical College and Institute of Dentistry
Class II Division 2 Malocclusion
TMJ Adaptations by Orthodontic Treatment in Adolescent Males 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
- NCT03406559
- Testing
- orthodontic treatment
- Volunteers
- 14 people, healthy volunteers welcome
- 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
Class II Division 1 Malocclusion
A Prospective Randomized Controlled Trial to Evaluate the Effectiveness of the Two Different Appliances in the Treatment of Class II Division 1 Malocclusion
Twin-Block treatment and Dynamax treatment for Class II division 1 malocclusion do not have different effects with regards to treatment duration, the quality of dento-occlusal outcome, skeletal and soft tissue profile, patient…
- Trial name
- NCT00957489
- Testing
- Dynamax appliance, Twin-block appliance
- Where
- 2 sites in United Kingdom
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- University of Manchester
Angle Class II
Maxillary Molar Distalization Supported by Mini-implants With the Advanced Molar Distalization Appliance (Amda®)
The aim of this randomized controlled clinical trial is to evaluate the dentoalveolar and skeletal treatment effects of the AMDA when used for distalization of the maxillary first molars in patients with Class II malocclusion in…
- Trial name
- NCT06011382
- Testing
- Advanced Molar Distalization Appliance (amda®), Buccal mini-implants
- Where
- Romania
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Grigore T. Popa University of Medicine and Pharmacy
Obstructive Sleep Apnea, Malocclusion
Premolar Extractions for Obstructive Sleep Apnea in Children With Overjet
This research aims to provide pediatric patients with polysomnography (a sleep study) before and after orthodontic treatment to determine if the extraction of upper premolars for treating excessive overjet results in an increase…
- Trial name
- NCT04946201
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Mohamed Bazina
Increased Overbite
Orthodontic Reduction of an Increased Overbite in Adolescents - the Mechanism and Rate of Occlusal Adaptation
The correction of a deep overbite is assumed to involve incisor intrusion and the extrusion or eruption of premolars and molars.
- Trial name
- NCT02925468
- Testing
- Bite turbo
- Where
- United Kingdom
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- NHS Tayside
Class II Malocclusion
Effect of Maxillary Third Molar Extraction vs. Non-extraction on Distalization of First Molars in a Group of Adolescent Patients
There is a scarcity in literature regarding the influence of maxillary third molar on distalization . This study aimed to compare the influence of unerupted maxillary third molars and their extraction on the bilateral…
- Trial name
- NCT05647720
- Testing
- Distalization combined with upper third molars extraction, Distalization without upper third molars extraction
- Where
- Egypt
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Future University in Egypt
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
Malocclusion, Angle Class II
Comparison of Efficacy of Three Orthodontic Appliances
To investigate each treatment modality in its "optimal" environment to avoid operator experience bias. Therefore we propose to operate out of three "specialist centres" with specific units providing one modality alone Which of…
- Trial name
- NCT03450551
- Testing
- Twin Block, Herbst, Frog distalising appliance
- Volunteers
- 183 people, healthy volunteers welcome
- Sponsor
- Guy's and St Thomas' NHS Foundation Trust
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
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
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
Malocclusion
Comparison of the Quantity of Distal Movement of the Upper Canine and Molar
THE PURPOSE OF THE STUDY IS COMPARE THE QUANTITY OF DISTAL MOVEMENT OF THE UPPER CANINE AND MOLAR USING CLASS II ELASTICS WITH AND WITHOUT SLIDING JIG IN A PERIOD OF 3 MONTHS
- Trial name
- NCT01654419
- Testing
- Class II elastics and Sliding Jig, Class II elastic alone
- Where
- Colombia
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Universidad de Antioquia
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
Class II Malocclusion, Division 1
3D Evaluation of Powerscope Appliance in Treatment of Skeletal Class 2 Malocclusion
The study is aiming to evaluate the efficacy of Powerscope appliance in treatment of skeletal Class 2 malocclusion by three-dimensional image.
- Trial name
- Powerscope app (NCT04972084)
- Testing
- Powerscope group
- Where
- Egypt
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Class II Malocclusion
Comparative Effect of Conventional and 3D-printed Twin Block Appliances on Soft Tissue Changes
: To evaluate the effectiveness of functional device treatment using both 3D-printed and conventional Twin Block appliances on soft tissue changes during growth modification in Class II malocclusion.
- Trial name
- Clinic Radiogr (NCT07795138)
- Testing
- Twin Block
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Class II Malocclusion
Maxillary Segmental Distalization Using Digitally Printed Appliances
Evaluation of Maxillary Segmental Distalization Using Infrazygomatic versus Palatal Digitally Printed Skeletal Anchored Appliances.
- Trial name
- NCT06511219
- Testing
- maxillary segmental distalization
- Where
- Egypt
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Mansoura University