Clinical trials: Class II Div 1 Malocclusion
Class II Division 1 Malocclusion
Study to Measure the Effect of Part Time Versus Full Time Orthodontic Appliance Wear
The aim of this study is to assess skeletal (bone) and dental (teeth) changes occurring following wear of a twin block functional appliance (removable brace which postures the lower jaw forward to improve a discrepancy between…
- Trial name
- NCT02190630
- Testing
- Modified Clark Twin Block
- Where
- United Kingdom
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- Queen Mary University of London
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
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
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
CLASS II DIVISION 1 MALOCCLUSION
Twin-Block and LIPUS for TMJ Outcomes in Skeletal Class II Patients
Evaluation of the efficacy of early treatment of skeletal class II patients with twin-block in conjunction with low intensity pulsed ultrasound on temporomandibular joint region: a prospective clinical trial
- Trial name
- AlAzharU (NCT07676695)
- Testing
- ultrasound
- Where
- Egypt
- Volunteers
- 24 people
- Sponsor
- Al-Azhar University
Class II Division 1 Malocclusion
Cephalometric Changes Following Retraction of the Upper Anterior Teeth Stimulated by Low-intensity Electrical Current
Thirty-six patients requiring extraction of maxillary first premolars and en-masse retraction of upper anterior teeth will participate in the study.
- Trial name
- NCT06639204
- Testing
- Electrical stimulation, Orthodontic treatment without acceleration
- Where
- Syria
- Volunteers
- 36 people
- Sponsor
- Damascus University
Class II Division 1 Malocclusion
Patient Outcomes Associated With Two Accelerated Method of Retraction of Upper Front Teeth
This study aimed to evaluate the levels of pain, discomfort, and functional impairment associated with traditional corticotomy and flapless corticotomy in the retraction of upper anterior teeth.
- Trial name
- NCT05928143
- Testing
- Traditional corticotomy, Flapless corticotomy
- Where
- Syria
- Volunteers
- 40 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
Treatment, Growth Modification
Study of The Effects of Mandibular Advancement Aligners in Treating Children With Class II Division 1 Malocclusion
The goal of this clinical trial is to learn the effects of Mandibular Advancement Aligner in growth modification of children with Class II Division 1 malocclusion.
- Trial name
- NCT07420270
- Testing
- Mandibular Advancement Aligner
- Where
- Malaysia
- Volunteers
- 21 people
- Sponsor
- University of Malaya
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 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, 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
The Effect of Platelet-rich Plasma on the Rate and Type of Orthodontic Tooth Movement
This study aims to assess the effect of PRP on the rate and type of OTM during en-masse frictionless retraction of maxillary anterior teeth using a segmental arch technique.
- Trial name
- NCT06133361
- Testing
- PRP injection, En-masse retraction of upper anterior teeth
- Where
- Syria
- Volunteers
- 30 people
- Sponsor
- Damascus University
Class II Division 1 Malocclusion
Activator vs the EF Class II Standard in the Treatment of Severe Overjet in Angle Class II Division 1 Malocclusion
Objective: The purpose of this study was to compare the clinical effectiveness of reducing severe overjet in Angle Class II division 1 malocclusion between Activator and the EF (Functional Education) class II standard in…
- Trial name
- NCT06566027
- Testing
- Skeletal, dental, soft tissue index changes in Activator group
- Where
- Vietnam
- Volunteers
- 60 people
- Sponsor
- Can Tho University of Medicine and Pharmacy
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
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 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
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
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