Clinical trials: Class II Division 1 Malocclusion
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
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
Class II Division 1 Malocclusion
Mechanism of Class II Correction With Fixed Lingual Mandibular Growth Modificator (FLMGM)
The aim of the current controlled trial was to assess the possible net skeletal and dental effects of FLMGM treatment in relation to growth with emphasis on the contribution of skeletal and dental changes to sagittal correction…
- Trial name
- FLMGM (NCT01853995)
- Testing
- Fixed Lingual Mandibular Growth Modificator (FLMGM)
- Where
- Syria
- Volunteers
- 43 people
- Sponsor
- Damascus University
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
CLASS II DIVISION 1 MALOCCLUSION
Comparative Effect of Clear Aligner Mandibular Advancement and Twin Block Appliances in Class II Malocclusion
The goal of this retrospective observational study is to compare the effects of Clear Aligner Mandibular Advancement (MA) and Twin Block (TB) appliances in treating Class II malocclusion, a condition where the lower jaw is…
- Trial name
- NCT06609733
- Testing
- Twin block, Clear aligner with mandibular function
- Where
- China
- Volunteers
- 47 people
- Sponsor
- Sichuan University
Class II Division 1 Malocclusion
Distalization Via Skeletally-anchored Distaljet Appliance With Two Approaches of Micro-osteoperforations
study will be directed to evaluate two approaches of micro-osteoperforations during maxillary molar distalization.
- Trial name
- NCT05171738
- Testing
- skeletally anchored distal jet
- Where
- Egypt
- Volunteers
- 20 people
- Sponsor
- Al-Azhar University
Malocclusion Class II, CLASS II DIVISION 1 MALOCCLUSION
A Novel Bi-dimensional Archwire for Miniscrew-supported En-masse Retraction
This study aims to provide a preliminary clinical evaluation of a novel bi-dimensional archwire used during miniscrew-supported en-masse retraction of the maxillary anterior teeth.
- Trial name
- NCT07664215
- Testing
- Bi-dimensional archwire
- Where
- Syria
- Volunteers
- 6 people
- Sponsor
- Damascus University
Malocclusion, Angle Class II, Division 1, Bimaxillary Protrusion
LLLLT vs Piezocision in Accelerating Orthodontic Canine Retraction
This comparative controlled clinical study aims to evaluate and compare the effectiveness of piezocision and low-level laser therapy (LLLT) as adjunctive interventions to accelerate orthodontic canine retraction.
- Conditions
- Malocclusion, Angle Class II, Division 1, Bimaxillary Protrusion, Class I Malocclusion
- Trial name
- NCT07466641
- Testing
- Low Level Laser Therapy, Piezocision
- Where
- Egypt
- Volunteers
- 21 people
- Sponsor
- Hesham Nabil Ali Al-Qamhawy
Angle Class II, Division 1 Malocclusion
"Effects of Piezocision vs Micro-osteoperforations on the Rate of Maxillary Canine Retraction
Acceleration of orthodontic tooth movement persuades tremendous rise in the interest of adolescents and aduts, as it not only shortens the treatment duration but also lessens the incidence of white spot lesions, root resorption…
- Trial name
- NCT04743700
- Testing
- Piezocision, Micro-osteoperforations
- Where
- India
- Volunteers
- 20 people
- Sponsor
- Postgraduate Institute of Dental Sciences Rohtak
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 Division 1 Malocclusion
Evaluation of Upper Anterior Teeth Retraction Rate Assisted by Two Corticotomy Techniques
This study aims to assess the dental changes, periodontal health and the pulp vitality in mini-screw supported en-masse retraction associated with traditional or flapless corticotomy techniques.
- Trial name
- NCT04847492
- Testing
- Traditional corticotomy, Flapless corticotomy
- Where
- Syria
- Volunteers
- 40 people
- Sponsor
- Damascus 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
Malocclusion, Angle Class II, Division 1
Efficacy of Biological Technique in Upper Canine Retraction and Levels of Discomfort
Twenty patients need therapeutic extraction of the maxillary first premolars with subsequent retraction of the maxillary canines, will be divided randomly into two groups, and will randomly assigned to one side of the maxillary…
- Trial name
- NCT03399422
- Testing
- i-PRF, canine retraction
- Where
- Syria
- Volunteers
- 20 people
- Sponsor
- Damascus University
Class II Division 1 Malocclusion
Comparison of Treatment Effects of PowerScope2 and Forsus Using CBCT
The main objective of this prospective, controlled clinical study is: 1. To compare the treatment effects of PowerScope2 and Forsus Fatigue Resistant Device in patients with Class II divison1 malocclusion. 2.
- Trial name
- NCT03296644
- Testing
- Class II correction using PowerScope2, Class II correction using Forsus
- Where
- India
- Volunteers
- 42 people
- 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
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
Malocclusion, Angle Class II, Division 1
Dento-Alveolar Changes in Maxillary Incisors After En-Masse Retraction Using Two Power-Arm Heights
This study aims to evaluate the dento-alveolar changes associated with en-masse retraction of the maxillary anterior teeth using two different power-arm lengths to produce two distinct levels of force application.
- Trial name
- DA-RET (NCT07259720)
- Testing
- TAD-supported En-masse Retraction
- Where
- Egypt
- Volunteers
- 20 people
- Sponsor
- Faculty of Dental Medicine for Girls
Class II Division 1 Malocclusion, Retrognathic Mandible
Fixed Lingual Mandibular Growth Modificator
The current trial was designed to investigate the possible initial net skeletal and dental effects of treatment with FLMGM by a comparative evaluation of treated and untreated Cl II/1 malocclusion subjects.
- Trial name
- FLMGM (NCT01853137)
- Testing
- Fixed Lingual Mandibular Growth Modificator (FLMGM)
- Where
- Syria
- Volunteers
- 43 people
- Sponsor
- Damascus University
CLASS II DIVISION 1 MALOCCLUSION
Evaluating the Efficacy of the Sliding Mechanisms on Round-section Arch Wire
Patients at the Orthodontic Department of the University of Damascus Dental School will be examined, and subjects who meet the inclusion criteria will be included.
- Trial name
- NCT07243509
- Testing
- Round-cross-section archwire, Rectangular-cross-section archwire
- Where
- Syria
- Volunteers
- 38 people
- Sponsor
- Damascus University