Clinical trials: Malocclusion, Angle Class II, Division 1
Class II Division 1 Malocclusion, Mandibular Retrognathism
Dentoskeletal Changes Produced by Growth Modification Appliances in Treatment of Skeletal Class II Malocclusion
To compare dentoskeletal changes in patients with skeletal class II malocclusion induced due to treatment with orthodontic appliances; removable twin block appliance and fixed AdvanSync2 appliance in two different age group…
- Trial name
- NCT04619446
- Testing
- Removable Twin Block, Fixed Functional , AdvanSync Appliance
- Where
- Pakistan
- Volunteers
- 30 people
- Sponsor
- Dr. Fareena Ghaffar
CLASS II DIVISION 1 MALOCCLUSION, Class II Malocclusion
The Effectiveness of the Twin Block and Carriere Motion Appliances in Post-pubertal Patients and an Evaluation of the Impact of Class II Malocclusion and Its Correction on Oral Health-related Quality of Life
The investigators of this clinical trial aim to: Compare the effectiveness and efficiency of Clark's Twin Block Appliance (CTB) vs Carriere Motion Appliance (CMA) in correcting Class II malocclusion when used in post-pubertal…
- Conditions
- CLASS II DIVISION 1 MALOCCLUSION, Class II Malocclusion, Growth, Overjet
- Trial name
- NCT07292636
- Testing
- CTB, CMA
- Where
- Ireland
- Volunteers
- 88 people
- Sponsor
- Aslam Alkadhimi
CLASS II DIVISION 1 MALOCCLUSION
Root Shortening With Three Methods of Upper Front Teeth Retraction
External apical root resorption is a possible side effect of fixed orthodontic treatment, particularly in the upper front teeth.
- Trial name
- NCT07744685
- Testing
- Bidimensional Bracket System, Hybrid Dual-Section Archwire, Conventional Sliding Mechanics
- Where
- Syria
- Volunteers
- 60 people
- Sponsor
- Damascus University
Malocclusion, Angle Class II, Division 1
Evaluating Laser and Piezocision vs. Piezocision Alone on Root Resorption and Gingival Health During Tooth Retraction
This trial aims to determine whether using a special laser (low-level laser therapy, or LLLT) in combination with a minor surgical procedure (piezocision) can safely accelerate orthodontic treatment.
- Trial name
- NCT07442825
- Testing
- Flapless Corticotomy (Piezocision), Level Laser Therapy (LLLT), Traditional treatment
- Where
- Syria
- Volunteers
- 66 people
- Sponsor
- Damascus University
Class II Division 1 Malocclusion
Measuring Rate of Anteriors Retraction With Two Different Techniques
Few studies had investigated the effectiveness of segmental retraction. As a result of that, this study was concerned about comparing retraction rate of maxillary incisors between buccal and palatal mini-implant supported…
- Trial name
- NCT05542745
- Testing
- palatal and buccal retraction
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Class II Division 1 Malocclusion
Evaluation of the Levels of Pain and Discomfort Associated With Two Techniques of Corticotomy
This study aims to estimate the levels of pain and discomfort associated with the en-masse retraction of the six upper anterior teeth and assisted by either conventional or flapless corticotomy.
- Trial name
- NCT05040945
- Testing
- Traditional corticotomy, Flapless corticotomy
- Where
- Syria
- Volunteers
- 34 people
- Sponsor
- Damascus University
CLASS II DIVISION 1 MALOCCLUSION
Response of Individuals With Class II Malocclusion
This investigation aims at distinguishing the subjects that react in a favorable way to the treatment protocol we propose for the Class II treatment
- Trial name
- NCT00248014
- Testing
- Mandibular Advancement Via A Functional Appliance
- Where
- Greece
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Aristotle University Of Thessaloniki
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
Orthodontic Appliance Design, Retrognathism
Effect of the Innovated Seifi's Functional Appliance on Skeletal and Dentoalveolar Changes of Class II/ 1, Deep Bite
For improving the appearance of protruded upper front teeth when lower front teeth may touch palatal mucosa or have proximity to that; the innovated Seifi's Functional Appliance may be used.
- Conditions
- Orthodontic Appliance Design, Retrognathism, Malocclusion, Angle Class II, Deepbite
- Trial name
- Seifi-Fx (NCT00688233)
- Testing
- Seifi's Functional
- Where
- Iran
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Shahid Beheshti University of Medical Sciences
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
The Effect of Autologous Platelet Concentrations on Orthodontic Treatment Time
60 patients needed therapeutic extraction of the maxillary first premolars with subsequent retraction of the maxillary canines were divided to randomly three groups: (1) PRP group: Received PRP injections, (2) I-PRF group…
- Trial name
- NCT05335824
- Testing
- The platelet-rich plasma (PRP), The injectable platelet-rich fibrin (I-PRF) group, The control group
- Where
- Syria
- Volunteers
- 60 people
- Sponsor
- Damascus 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
Angle Class 2 Malocclusion
Changes in Arch Parameters After Molar Distalization; Hybrid Hyrax Distalizer Versus Pendulum
this study was to compare the changes in arch parameters after molar distalization; hybrid hyrax distalizer versus Pendulum distalizer using CBCT.
- Trial name
- NCT05470179
- Testing
- Hybrid hyrax distalizer, Pendulum distalizer
- Where
- 2 sites in Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Mohamed Abdelrhman Shendy Abdelrhman
Class II Division 1 Malocclusion
Patient-related Outcomes When Accelerating Upper Canine Retraction With Fixed Orthodontic Appliances
Patients will be screened in the Orthodontics Department of the Faculty of Dentistry, Damascus University, and those who meet the inclusion criteria will be included.
- Trial name
- NCT06875037
- Testing
- Electric stimulation removable appliance, Traditional orthodontic fixed appliance without accleration
- Where
- Syria
- Volunteers
- 40 people
- Sponsor
- Damascus University
Class II Division 1 Malocclusion, Maxillary Prognathism
Laser-assisted Flapless Corticotomy in Accelerating Canine Retraction
Erbium lasers have been suggested to accomplish corticotomy without flap reflection due to their attractive advantages. The current trial aimed to evaluate the efficacy of laser-assisted flapless corticotomy in accelerating…
- Conditions
- Class II Division 1 Malocclusion, Maxillary Prognathism, Protrusion, Incisor
- Trial name
- NCT04316403
- Testing
- Er:YAG laser
- Where
- Syria
- Volunteers
- 18 people
- Sponsor
- Damascus University
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 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
Orthodontic Appliance Complication, Malocclusion, Angle Class II, Division 1
Mini-implant-supported Twin-Block in Treating Patients With Class II Division 1 Malocclusion
Correcting the skeletal class II using functional appliances, whether removable or fixed, always leads to skeletal and alveolar effects.
- Trial name
- NCT06403033
- Testing
- Mini-implant-supported Twin-Block, Twin-Block
- Where
- Syria
- Volunteers
- 41 people
- Sponsor
- Damascus University
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
Distalization Using Infrazygomatic Crest Miniscrews and Zygomatic Miniplates: A Randomized Clinical Trial
The main objective of this study is to quantify the distal movement of maxillary central incisors and molars achieved with infrazygomatic miniscrews in comparison with zygomatic miniplate anchorage.
- Trial name
- NCT04191070
- Testing
- infrazygomatic miniscrew, zygomatic miniplate
- Where
- India
- Volunteers
- 42 people
- Sponsor
- Postgraduate Institute of Dental Sciences Rohtak