Clinical trials: Angle Class II
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
Malocclusion, Angle Class II
Crossbow Versus Forsus Springs in Mild to Moderate Class II Malocclusion Cases
Class II malocclusion (mismatch between the upper and lower jaw in which the lower jaw appears to be smaller from a profile point of view) are common in the general population.
- Trial name
- NCT01530516
- Testing
- Brackets plus Forsus springs, Xbow plus full brackets
- Where
- Canada
- Volunteers
- 54 people
- Sponsor
- University of Alberta
Skeletal Class II Malocclusion, Dental Overjet
Removable Devices in Overjet Reduction
The goal of this clinical trial si to compare two removable devices used to treat the mandibular retrusion in growing patients. The main questions it aims to answer are: the efficacy of the two devices in the reduction of the…
- Trial name
- RemoDevOJ (NCT06955637)
- Testing
- dental movement
- Where
- Italy
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of L'Aquila
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
CLASS II DIVISION 1 MALOCCLUSION
Pain and Comfort During Functional Orthodontic Treatment With Laser or Ultrasounic Waves
Pain, discomfort, and functional limitations are common during functional orthodontic treatment and may affect appliance acceptance, compliance, and treatment satisfaction.
- Trial name
- NCT07852559
- Testing
- Activator + LIPUS, Activator + LLLT
- Where
- Syria
- Volunteers
- 40 people
- Sponsor
- Damascus 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 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
Overbite (Excessive) Horizontal
Study the Effect of Upper Expansion Appliances on Lower Jaw Forward Projection/Growth
Young children with backward positioned lower jaw/chin will be recruited to have an upper jaw expansion appliance. Previous research showed that the use of similar appliances can lead to lower jaw forward growth.
- Trial name
- NCT03286569
- Testing
- Upper arch Wilson quadhelex appliance
- Where
- Canada
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Alberta
Malocclusion, Class II Division 1 Malocclusion
The Efficacy of Tow Mechanics for Total-maxillary-arch-distalization
Patients with class II division 1 malocclusion who have increased overjet will be treated in this study. The efficacy of one-jaw and tow-jaw mechanics for mini-implants anchored total-maxillary-arch-distalization in the treatment…
- Trial name
- NCT04814173
- Testing
- One-jaw mechanic total maxillary arch distalization, Two-jaw mechanic total maxillary arch distalization, en-mass retraction
- Where
- Syria
- Volunteers
- 48 people
- Sponsor
- Hama University
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
Angle Class 2 Malocclusion
Carriere Motion Appliance* Versus In-office Sectional Appliance
The "sagittal first" approach to Class II correction in orthodontic treatment involves correcting the antero-posterior (AP) relationship of the maxillary and mandibular dentition prior to the leveling and aligning phase of…
- Trial name
- CMA (NCT05204654)
- Testing
- In-office fabricated appliance, Carriere Motion Appliance
- Where
- United States
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- State University of New York at Buffalo
Class II Malocclusion, Class II Malocclusion, Division 1
Distalization With Aligners: Anchorage Options
Background: To compare the dentoskeletal effects of Class II elastic anchorage and infrazygomatic crest (IZC) miniscrew anchorage in sequential maxillary molar distalization using clear aligners.
- Trial name
- NCT06631131
- Testing
- Distalization with clear aligners supported by Class II elastics, Distalization with clear aligners supported by miniscrew
- Where
- Turkey (Türkiye)
- Volunteers
- 22 people
- Sponsor
- Bezmialem Vakif 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
Class II Malocclusion
Analysis of Muscle Activity With Myofunctional Devices, Using Surface Electromyography
Importance and justification The importance of carrying out this study is to verify the electrical activity generated by the masticatory muscles to be able to have clarity of their performance in the development of orthopedic…
- Trial name
- NCT03863275
- Testing
- functional apparatus, Diagnosis and observation
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Fundación Universitaria CIEO
Skeletal Class II Malocclusion
Assesment of Tempromandibular Joint ( TMJ ) Changes After Treatment of Skeletal Class II Cases by Twinblock vs Monoblock Appliances
Assesment of TMJ changes after treatment of skeletal classII growing patients by Twinblock vs Mono block applinces
- Trial name
- NCT07270653
- Testing
- twin block, Mono block
- Where
- Egypt
- Volunteers
- 18 people
- Sponsor
- Faculty of Dental Medicine for Girls
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
Malocclusion, Angle Class II
Effects of Power Arm Application in Maxillary Canine Distalization
The aim of this study is to investigate the effects of a canine distalization force applied between power arms placed on the maxillary canine and first molar, in comparison with the classical method without power arms.
- Conditions
- Malocclusion, Angle Class II, Tooth Movement Techniques, Orthodontic Anchorage Procedures
- Trial name
- NCT07866976
- Testing
- Canine and molar power arms, Conventional canine retraction
- Where
- Turkey (Türkiye)
- Volunteers
- 16 people
- Sponsor
- Atlas 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 Division 2 Malocclusion
Changes in the Sagittal Pharyngeal Airway Dimension Following Leveling and Alignement in Class II Division 2 Patients
Aim of the study: is to compare the changes in the sagittal pharyngeal airway dimension (SPAD) and mandibular position before and after the levelling and alignment stage of orthodontic treatment in Class II division 2 patients.
- Trial name
- NCT06602518
- Testing
- Orthodontic Treatment
- Where
- Egypt
- Volunteers
- 27 people
- Sponsor
- Nourhan M.Aly
Class II Division 1 Malocclusion
External Root Resorption and Periodontal Status During Retraction of the Upper Anterior Teeth
This RCT will include 34 patients requiring en-masse retraction of upper anterior teeth after maxillary first premolars extraction.
- Trial name
- NCT06873490
- Testing
- Electric stimulation removabel device, Traditional retraction method.
- Where
- Syria
- Volunteers
- 34 people
- Sponsor
- Damascus University