Clinical trials: Class III Malocclusion, open to volunteers
Class III Malocclusion
3D Printed Reverse Twin Block for Class III Malocclusion
This RCT aims to evaluate the effectiveness of a novel 3D printed reverse twin block appliance in the management of maxillary deficiency in growing patients having class III malocclusion.
- Trial name
- 3DRTB (NCT07710391)
- Testing
- 3D printed Reverse Twin Block appliance, Conventional Reverse Twin Block appliance
- Where
- Iraq
- Volunteers
- 30 people
- Sponsor
- University of Baghdad
Skeletal Class III Malocclusion
Management of Skeletal Class III Malocclusion With Digital Bonded Reverse Twin Block in Mixed Dentition
The purpose of this study is to evaluate dentoalveolar \& skeletal effects of digital bonded reverse twin block in treatment of skeletal class III malocclusion in mixed dentition.
- Trial name
- NCT07376954
- Testing
- Digital Bonded Reverse Twin Block
- Where
- Egypt
- Volunteers
- 21 people
- Sponsor
- Mansoura 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
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
Skeletal Class II Malocclusion, Skeletal Class III Malocclusion
Clinical and Radiographic Evaluation of Low Sagittal Medial Ramus Osteotomy for Treatment of Skeletal Class II and Class III Malocclusion
This prospective clinical trial aims to evaluate the clinical and radiographic outcomes of the low sagittal medial ramus osteotomy-a technical modification of the conventional sagittal split osteotomy (SSO)-for treating patients…
- Conditions
- Skeletal Class II Malocclusion, Skeletal Class III Malocclusion, Dentofacial Deformities
- Trial name
- NCT07746700
- Testing
- Low Sagittal Medial Ramus Osteotomy
- Volunteers
- 11 people
- Sponsor
- Al-Azhar University
Anterior Crossbite, Class III Malocclusion in Growing Patients
Comparison Between Protraction Facemask and Upper Braces for Underbite Correction in Growing Children
The goal of this clinical trial is to compare the effectiveness of a protraction facemask and upper partial fixed appliance in correcting anterior crossbite in growing children with class III malocclusion.
- Trial name
- NCT06759896
- Testing
- Protraction facemask, Upper partial fixed appliance
- Where
- Malaysia
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Malaya
Skeletal Class III Malocclusion
Comparison of Maxillary Protraction Using Tooth-borne Facemask Versus Skeletal Anchorage Chin-plate in Class III Growing Patients
This retrospective non-randomized controlled clinical trial aimed to compare the skeletal and dentoalveolar effects of two orthopedic treatment protocols for skeletal Class III malocclusion in growing patients: a conventional…
- Trial name
- NCT07383259
- Testing
- Tooth-Borne Expander with Facemask (FM), Hybrid Skeletal Anchorage Expander with Chin-Plate (SA)
- Volunteers
- 36 people
- Sponsor
- Universidad Complutense de Madrid
Prognathism, Retrognathism
Natural History of Craniofacial Anomalies and Developmental Growth Variants
Background: Some head and facial abnormalities are rare and present at birth. Others are more common, and may not show up until puberty. These conditions have different causes and characteristics.
- Conditions
- Prognathism, Retrognathism, Dentofacial Deformities
- Trial name
- NCT02639312
- Where
- United States
- Volunteers
- 2,400 people, healthy volunteers welcome
- Sponsor
- National Institute of Dental and Craniofacial Research (NIDCR)
Orthognathic Surgical Procedures, Psychiatric Disorders
Incidence of Body Dysmorphic Disorder (BDD) in a Population of Patients Undergoing Orthognathic Surgery
Assessment of the incidence of Body dismorphic disorder in a population candidated to orthognathic surgery
- Conditions
- Orthognathic Surgical Procedures, Psychiatric Disorders, Prognathism
- Trial name
- IBDOS (NCT06879275)
- Testing
- Questionnaire and Physical Exam
- Where
- Italy
- Volunteers
- 90 people
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
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
Skeletal Class III Malocclusion
Skeletal and Dentoalveolar Effects of Functional Clear Aligner Therapy in Growing Patient With Skeletal Class III Malocclusion
The purpose of this study is to evaluate the skeletal, dentoalveolar \& soft tissue effects of functional clear aligner therapy in growing patient with Skeletal class III malocclusion.
- Trial name
- NCT07703007
- Testing
- Functional Clear Aligner
- Where
- Egypt
- Volunteers
- 15 people
- Sponsor
- Mansoura University
Orthognathic Surgical Procedures
Facial Conformation Meshes for Orthognathic Surgery
This study is a retrospective analysis that evaluates the accuracy of 3D soft tissue simulation in bimaxillary orthognathic surgery for Class III dentofacial deformities.
- Trial name
- FEU (NCT06893614)
- Where
- 2 sites in Egypt
- Volunteers
- 13 people
- Sponsor
- Ain Shams University
Malocclusion, Angle Class II, Malocclusion, Angle Class III
Comparing 3D-Printed and Milled Titanium Plates in Jaw Surgery (Le Fort I): Accuracy and Operative Time
The purpose of this study is to find out if 3D printed patient-specific titanium plates improve surgical accuracy and decrease operative time compared to milled patient-specific titanium plates in patients having Le Fort I…
- Conditions
- Malocclusion, Angle Class II, Malocclusion, Angle Class III, Dentofacial Deformities, Osteotomy, Le Fort I
- Trial name
- TiPlateRCT (NCT07841067)
- Testing
- 3D-Printed Patient-Specific Titanium Plates, Milled Patient-Specific Titanium Plates
- Where
- Egypt
- Volunteers
- 12 people
- Sponsor
- Future University in Egypt
Class I Malocclusion, Maxillary Prognathism
Nano Coated Orthodontic Miniscrews for en Mass Retraction of the Upper Arch
study will be directed to evaluate silver-hydroxyapatite nano-coated versus uncoated orthodontic miniscrews for en masse retraction of the upper anterior segment.
- Conditions
- Class I Malocclusion, Maxillary Prognathism, Orthodontic Tooth Movement
- Trial name
- NCT07521267
- Testing
- Silver nanoparticles, uncoated titanium miniscrews
- Where
- Egypt
- Volunteers
- 14 people
- Sponsor
- Al-Azhar University
Mandibular Prognathism, Orthognathic Surgery
Evaluating the Accuracy of Soft Tissue Prediction in Patients With Mandibular Prognathism After Orthognathic Surgery Using Handheld Scanner Versus Optical Scanner A Prospective Clinical Trial
Aim of study: To evaluate the accuracy of soft tissue prediction in orthognathic surgery using handheld scanners versus optical scanners.
- Trial name
- NCT06724497
- Testing
- face scanning pre and post orthognathic surgery
- Where
- Egypt
- Volunteers
- 11 people
- Sponsor
- Cairo University
Skeletal Class III Malocclusion, Transverse Maxillary Deficiency
Effects of Invisalign Palatal Expander vs Rapid Palatal Expander With Facemask in Growing Class III Patients
The goal of this clinical trial is to compare two types of palatal expanders used with a facemask in children who have skeletal Class III and a narrow upper jaw.
- Trial name
- NCT07485478
- Testing
- Invisalign Palatal Expander (IPE), Rapid Palatal Expander (RPE)
- Where
- Thailand
- Volunteers
- 24 people
- Sponsor
- Mahidol 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