Clinical trials: Prognathism
Class III Malocclusion, Maxillary Deficiency
Evaluation of Pain and Functional Impairments When Treating Class III Malocclusion Using Two Treatment Procedures
A clinical examination of each recalled candidate patient will be carried out at Adib Al Lahham Centre at the Ministry of Health Damascus to ensure that he/she meets the inclusion criteria.
- Trial name
- NCT06877780
- Testing
- RMR with SME, BAIMT with RME
- Where
- Syria
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Damascus University
Malocclusion, Angle Class II, Malocclusion, Angle Class III
Facial Aesthetic Analysis Model Based on Clinical Cohort Phenotype to Explore 45° Facial Profile.
Facial aesthetics has always been a complex and subjective concept. The overall facial harmony, along with lip protrusion, which is often a focus for orthodontists, requires evaluation from multiple perspectives.
- Trial name
- NCT06984666
- Testing
- language
- Where
- China
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Linyu Xu
Orthodontic Appliance
Occlusal Bite Force Changes After Surgical Correction of the Increased Vertical Dimension
The aim of this study was to record the OBF changes after surgical correction of mandibular prognathism in patients with or without increased vertical skeletal dimensions at different time intervals (T0: before surgery; T1: at…
- Trial name
- NCT04376645
- Testing
- Mandibular Setback with maxillary impaction, Mandibular setback only
- Where
- Jordan
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Jordan University of Science and Technology
Mandibular Prognathism
Patient Satisfaction Vertical Ramus Osteotomy Patient Specificosteosynthesis Fixation Versus MMFmandibular Prognanthism
Two groups with mandibular prognanthism indicated for mandibular setback by intraoral vertical ramus osteotomy . first group will fixed with maxillomandibular fixation and the second group will fixed by customized plate
- Trial name
- NCT03855072
- Testing
- customized fixation plate, maxillomandibular fixation
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Cairo University
Class III Malocclusion, Cross Bite
Evaluation of Pain, Discomfort and Acceptance During the Orthodontic Treatment of Class III Malocclusion
The aim of this study is to evaluate the levels of pain, discomfort and acceptance between two treatment modalities of Class III correction of growing patients in the late mixed dentition period.
- Conditions
- Class III Malocclusion, Cross Bite, Orthodontic Appliance Complication
- Trial name
- NCT03976635
- Testing
- Removable Mandibular Retractor, Bone-anchored intermaxillary traction
- Where
- Syria
- Volunteers
- 38 people
- Sponsor
- Damascus University
Skeletal Class III Malocclusion
Randomised Clinical Trial on 30 Class Lll Patients on Two Groups Each Group Consist of 15 Patient to Compare Between Face Mask and Ertty Appliance in Treatment of Skeletal Class Lll Deficient Maxilla.Acone Beam ct to Every Patient Before and After Treatment and a3D Ceph Traced to Every Patient.
Randomised clinical trial on 30 class lll patients on two groups each group consist of 15 patient to compare between Face mask and Ertty Appliance in Treatment of skeletal class lll Deficient maxilla.acone beam ct to every…
- Trial name
- NCT07798791
- Testing
- Protraction of maxilla using face mask appliance, Protraction of maxilla using Errty Gap appliance
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Minia University
Class III Malocclusion
Success Rate of the Miniscrews in the Mandibular Buccal Shelf
Stability of the orthodontic miniscrews placed in the mandible is still considered to bare higher risk of failure compared to other intraoral locations.
- Trial name
- NCT05280678
- Testing
- Orthodontic miniscrew insertion in the mandibular buccal shelf
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Wroclaw Medical University
Malocclusion, Angle Class III
Periodontal Ligament Stress Level and Tooth Movement
Orthodontic treatment requires application of force systems to individual teeth or groups of teeth, which results in a cellular response with periodontal ligament (PDL) and alveolar bone remodeling.
- Trial name
- NCT00099814
- Testing
- Two different loop designs which deliver distinctive forces
- Where
- Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Alberta
Malocclusion, Angle Class III
Evaluation of Surgical Outcomes of Patients Treated With the Surgery First Approach and Aligners
The purpose of this prospective study is to compare treatment outcomes and the quality of life of skeletal Class III patients treated with conventional fixed appliances and aligners undergoing Surgery-first approach.
- Trial name
- NCT05822271
- Testing
- Orthognathic Surgery
- Where
- Brazil
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Rio de Janeiro State University
Malocclusion, Angle Class I, Malocclusion, Angle Class II
3D Printed Occlusal Splints for Intraoperative Use
A 3D printed intraoperative occlusal splint is a custom-made biocompatible resin guide that allows surgeons properly align a patient's upper and lower dentition during surgery.
- Conditions
- Malocclusion, Angle Class I, Malocclusion, Angle Class II, Malocclusion, Angle Class III
- Trial name
- NCT07079111
- Testing
- Formlabs 3D printed occlusal splint, Industry made occlusal splint
- Volunteers
- 70 people
- Sponsor
- Johns Hopkins University
Skeletal Class III Malocclusion
Evaluation of Treatment Outcomes With Palatal Plate Versus Conventional Tooth Borne Anchorage in Class III Patients
evaluation of treatment outcomes with palatal plate versus conventional tooth borne anchorage in class III patients
- Trial name
- NCT07360509
- Testing
- treatment of skeletal class III by maxillary advancement using transpalatal arch and face mask, treatment of skeletal class III by maxillary advancement using palatal plate and face mask
- Where
- Egypt
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Faculty of Dental Medicine for Girls
Class III Malocclusion, Underbite
Effects of Class III Elastics on Stability of Orthopaedic Class III Correction
The purpose of this study is to evaluate the effects of adding elastics to orthodontic retainers on the stability of class III correction and whether it reduces the need for jaw surgery.
- Trial name
- NCT04911400
- Testing
- Upper-lower clear plastic retainers + Class III elastics, Upper-lower clear plastic retainers
- Where
- 2 sites in Australia
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Sydney Local Health District
Heart Failure With Preserved Ejection Fraction, Prognathism
Effect of Bilirubin on Prognosis in Heart Failure With Preserved Ejection Fraction
Factors influencing the prognosis of patients with heart failure with preserved ejection fraction (HFpEF) have been extensively studied.
- Trial name
- NCT06379152
- Where
- China
- Volunteers
- 400 people
- Sponsor
- Chongqing Medical University
Class III Malocclusion
Mandibular First Molar Distalization
A clinical study to test the capability of the mini-screws inserted in the Mandibular buccal shelf area as an anchorage unit to distalize mandibular first molar for correction of mild to moderate Class III cases.
- Trial name
- NCT04229797
- Testing
- Mandibular distalization using extra-radicular miniscrews
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Cairo University
Class III Malocclusion
Evaluating the Effectiveness of the Lower-Clear-Plate-Based Intermaxillary Traction
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
- NCT06596239
- Testing
- lower-clear-plate-based intermaxillary traction (LCP-IMT), Removable mandibular retractor (RMR)
- Where
- Syria
- Volunteers
- 30 people
- Sponsor
- Damascus University
Malocclusion, Angle Class I, Malocclusion, Angle Class II
AI-Assisted Versus Conventional Orthodontic Diagnosis and Treatment Planning
This study compared an artificial intelligence-assisted orthodontic diagnostic workflow using WebCeph with a conventional clinician-based workflow.
- Conditions
- Malocclusion, Angle Class I, Malocclusion, Angle Class II, Malocclusion, Angle Class III
- Trial name
- AI-OrthoDx (NCT07690774)
- Where
- Yemen
- Volunteers
- 120 people
- Sponsor
- Ben Hafeed Dental Center
Jaw Protrusions
The Effectiveness of Modified 3D Printed Customized Facemask Appliance for Treatment of Class III Malocclusion
A randomized clinical trial to introduce a modified 3D printed customized maxillary protraction facemask and evaluate its efficacy in comparison with the conventional maxillary protraction facemask therapy in correction of Class…
- Trial name
- NCT06250127
- Testing
- Modified 3D printed facemask, Conventional facemask appliance
- Where
- 2 sites in Iraq
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- University of Baghdad
Maxillary Retrognathism, Children
Treatment of Mandibular Overjet in Children With Maxillary Retrognathism
The project involves a 10-year prospective longitudinal cohort multicentre study where orthodontic treatment and treatment effect is followed in children with Cl III due to maxillary retrognathia who undergo standardized…
- Conditions
- Maxillary Retrognathism, Children, Treatment, Class III Malocclusion
- Trial name
- NCT07706400
- Testing
- Interceptive treatment
- Where
- 3 sites in Denmark, Sweden
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Malmö University
Class III Malocclusion
Mandibular Sequential Distalization Versus Class III Elastics With Clear Aligners in Class III Patients
Distalizing mandibular molars may be indicated for patients with minor skeletal Class III discrepancies or in Class III subjects with mild crowding.
- Trial name
- NCT06859606
- Testing
- Lower molar distalization, Class III elastics
- Where
- Italy
- Volunteers
- 30 people
- Sponsor
- Saint Camillus International University of Health Sciences
Anterior Crossbite, Class III Malocclusion
Evaluation of the Treatment Effects of Tooth Borne Versus Bone-anchored Protraction Procedures in Class III Patients With Maxillary Deficiency
The aim of this prospective randomized controlled clinical study is to compare the effects of bone-anchored and tooth borne maxillary protraction on dentofacial structures in skeletal Class III patients.
- Conditions
- Anterior Crossbite, Class III Malocclusion, Maxillary Deficiency
- Trial name
- NCT04863404
- Testing
- Face mask with hybrid-hyrax, Face mask with conventional bonded RME
- Where
- Turkey (Türkiye)
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Izmir Katip Celebi University