Clinical trials: Class II Malocclusion
Class II Malocclusion, Class III Malocclusion
Study of the Relationship Between Blood Groups,RH and Skeletal Malocclusion : a Cross Sectional Study
the study is searching if there is a relationship between the blood groups and RH and the skeletal malocclusion using the skeletal class I as a control group
- Trial name
- NCT03085082
- Testing
- blood type test
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Cairo 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 I, Malocclusion; Angle Class II Division 1
Efficiency of Piezo-Corticision in Accelerating Orthodontic Tooth Movement
The purpose of this study is to provide evidence on the effectiveness, the efficiency and efficacy of Peizo-Corticission in accelerating orthodontic tooth movement and reducing orthodontic treatment time.
- Trial name
- NCT02549950
- Testing
- Peizocorticision, Conventional Orthodontic Mechanics
- Where
- Saudi Arabia
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- AL Yousef
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 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
Trauma, Overjet
Role of Overjet and Trauma in Libyan Children
Traumatic dental injuries are one of the commonly encountered dental emergencies. Missing anterior tooth in children due to any injury can be a source of considerable physical and psychological discomfort for the child.
- Trial name
- NCT03751189
- Volunteers
- 1,900 people, healthy volunteers welcome
- Sponsor
- sudhir rama varma
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
Malocclusion
Class II Correction Study Using the Invisalign System
To demonstrate that growing teenagers which present up to full cusp Class II malocclusions can be treated using the Invisalign System.
- Trial name
- NCT02376829
- Testing
- Invisalign System
- Where
- 10 sites in United States, Canada
- Volunteers
- 164 people, healthy volunteers welcome
- Sponsor
- Align Technology, Inc.
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
Malocclusion, Angle Class II, Division 1
Pharyngeal Airway Dimensions With Twinblock Versus Myobrace Appliances in Developing Skeletal Class II Patients
The goal of this clinical trial is to compare the pharyngeal airway changes after treatment with Myobrace and after treatment with Twinblock in developing skeletal Class II patients.
- Trial name
- NCT05610150
- Testing
- Myobrace Functional Appliance, Twin Block
- Where
- Egypt
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Alexandria University
Class II Malocclusion
the Condylar Response of Mini-plate Anchored Rigid Fixed Functional Appliance Versus Dentally Anchored Semi-rigid One
This study will be directed to evaluate The effect of two different types of fixed functional appliances on the temporomandibular joint. Study design: Prospective randomized clinical study.
- Trial name
- NCT05466344
- Testing
- Herbst Group, TFBC Group
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
ClassII Division 1 Malocclusion, Mandibular Retrognathism
Effects of Orthopedic Mandibular Advancement in Class II Division 1 Malocclusion on Pharyngeal Airway
This study aims at evaluating the effects of mandibular advancement on pharyngeal airway space and nocturnal breathing in children with skeletal class II division1 malocclusion.
- Trial name
- NCT04255511
- Testing
- Twin Block, Fixed orthodontic appliance
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Class II Malocclusion
the Mini-plate Anchored Herbst Appliance Versus the Dentally Anchored Fixed Functional Appliance
the objective of the current study is to compare the dentofacial effects of the mini-plate anchored Herbst appliance Versus the dentally anchored Twin force bite corrector Appliance in Young Adult Class II Orthodontic Patients…
- Trial name
- NCT05440526
- Testing
- Herbst Group, TFBC Group
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Malocclusion
Evaluation of Clear Aligner Trays to Straighten Teeth
The objective of this study is to evaluate the efficacy of Clear Aligners to correct tooth malocclusions with the use of attachments and/or buttons, as determined by the amount of teeth movement and overall achievement goals of…
- Trial name
- NCT03141788
- Testing
- Clear Aligner
- Where
- 9 sites in United States
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Solventum Orthodontics Corporation
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
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
Overbite (Excessive) Deep
Orthodontic Approaches to Correct Deep Bite in Mixed Dentition Patients
A deep bite is a bite where the upper front teeth cover almost all, if not all the lower front teeth. Currently there is no clarity which of the available treatment approaches is better when these patients still have some baby…
- Trial name
- NCT03641196
- Testing
- Fixed appliance, Composite bite plane
- Where
- Canada
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- University of Alberta
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 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 Malocclusion
Effects of Skeletal Anchored Versus Incisal Capped Twin Block Appliance in Class II Malocclusion
: the purpose of this study was to evaluate the dento-skeletal effects of the mini-implant supported Twin Block versus the incisal capped appliance in the treatment of skeletal class II patients with mandibular retrognathism.
- Trial name
- NCT06209086
- Testing
- skeletal anchored twin block
- Where
- Egypt
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Mansoura University