Clinical trials: Class II Malocclusion, open to volunteers
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
Overbite (Excessive) Horizontal
Study the Effect of Upper Expansion Appliances on Lower Jaw Forward Projection/Growth
Young children with backward positioned lower jaw/chin will be recruited to have an upper jaw expansion appliance. Previous research showed that the use of similar appliances can lead to lower jaw forward growth.
- Trial name
- NCT03286569
- Testing
- Upper arch Wilson quadhelex appliance
- Where
- Canada
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Alberta
Distalization, Class II Malocclusion
Comparison of Distalization of Maxillary First and Second Molars Between a Miniscrew Implant Supported Device and Clear Aligners.
The goal of this randomized clinical trial is to compare distalization of maxillary first and second molars achieved with a device supported with mini screw implants in the palate (Advanced Molar Distalization Appliance, AMDA®)…
- Conditions
- Distalization, Class II Malocclusion, Aligner Therapy, Distalization by Miniscrews
- Trial name
- NCT07040176
- Testing
- Upper molar distalization
- Where
- Greece
- Volunteers
- 40 people
- Sponsor
- Aristotle University Of Thessaloniki
Bite, Orthodontics
Evaluation of a Novel Lip Bumper With Integrated Distal Shoe Appliance in Preventing Second Molar Impaction in Children With Anterior Deep Bite
The goal of this clinical trial is to evaluate the effectiveness of a novel lip bumper with an integrated distal shoe in preventing second molar impaction in children aged 8-10 years with anterior open bite during the mixed…
- Trial name
- Novel Lip Bump (NCT07015385)
- Testing
- Lip Bumper with Integrated Distal Shoe, Conventional Lip Bumper
- Volunteers
- 40 people
- Sponsor
- Dar Al Uloom University
Skeletal Malocclusion
Comparison Between Aesthetic Functional Appliances and Twin Block in Correction of Skeletal Class II
The goal of this is to evaluate the skeletal, dental and soft tissue effects between aesthetic functional appliance and Twin block appliance in treatment of skeletal class II in ( growing male/female patients)
- Trial name
- NCT06631235
- Testing
- orthopedic appliance, aesthetic orthopedic appliance
- Where
- Egypt
- Volunteers
- 42 people
- Sponsor
- Mansoura University
Malocclusion, Class II Malocclusion
Treatment of Mild Class II Malocclusion in Adult Patients With Clear Aligners Versus Fixed Multibracket Therapy
Patient with class ii division 1 malocclusion who have mild increased overjet will be treated in this study. The efficacy of clear aligners in the treatment of Class II division 1 Malocclusion Using Intermaxillary Elastics will…
- Trial name
- malocclusion (NCT05684510)
- Testing
- clear aligners, traditional treatment Fixed appliances with class II elastics.
- Where
- Syria
- Volunteers
- 24 people
- Sponsor
- Hama University
Malocclusion, Angle Class II
Treatment of Skeletal Class II Malocclusion With Modified Twin-Block Appliance With Clear Plates
Patients with skeletal class II malocclusion who have a retracted lower jaw will be treated in this study. The efficacy of clear Plates in the treatment of Skeletal Class II Malocclusion will be assessed.
- Trial name
- NCT05950581
- Testing
- Modified Twin-Block Appliance with Clear Plates., Traditional Twin-Block appliance
- Where
- Syria
- Volunteers
- 32 people
- Sponsor
- Hama University
Class II Malocclusion, Mandibular Deficiency
Dentoskeletal Effects of 3D-Printed Fixed Twin Block Versus MARA Appliances in Management of Skeletal Class II
Objective: to evaluate the dentoskeletal effects of CAD/CAM 3D-Printed fixed twin block versus MARA appliances in the management of skeletal class II due to Mandibular Deficiency in Preadolescence Class II malocclusion is…
- Trial name
- NCT07340242
- Testing
- MARA appliance, fixed twin block
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Mansoura University
Malocclusion, Angle Class II, Overbite (Excessive) Horizontal
Long-term Stability of Treatment With the Twin Block Appliance
The objective of this observational study is to investigate the long-term stability of treatment with the Twin block appliance in a patient group previously treated with a Twin block appliance.
- Conditions
- Malocclusion, Angle Class II, Overbite (Excessive) Horizontal, Overbite (Excessive) Deep, Treatment Outcome
- Trial name
- NCT07752498
- Where
- Sweden
- Volunteers
- 72 people
- Sponsor
- Region Jönköping County
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
Skeletal Class II Malocclusion
"Sliding Jigs vs Retraction Hooks for Maxillary Dentition Distalization Using IZC Miniscrews"
This randomized controlled clinical trial aims to compare the clinical efficacy, efficiency, and biomechanical differences between two methods for total maxillary dentition distalization: (1) the use of a Sliding Jig and (2) the…
- Trial name
- SJRH-IZC (NCT07307209)
- Testing
- Sliding jig, retraction hooks
- Where
- Yemen
- Volunteers
- 40 people
- Sponsor
- Sana'a 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
Class II Malocclusion, Class II Malocclusion, Division 1
Comparison of Early Interceptive Orthodontic Appliances (Traditional and Novel) and Later Fixed Appliance Treatment in Class II Malocclusion.
Background Approximately 15% of children have a Class II malocclusion, where the maxilla is positioned anterior to the mandible, and around 90% of these children also present with an increased overjet.
- Conditions
- Class II Malocclusion, Class II Malocclusion, Division 1, Overjet
- Trial name
- MACTWin (NCT07404696)
- Testing
- Head gear activator, Twin Block, Invisalign mandibular advancement
- Where
- 3 sites in Sweden
- Volunteers
- 144 people
- Sponsor
- Vastra Gotaland Region
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 Appliances, Removable, Orthodontic Appliance Complication
Microbial Adherence, Surface Roughness, Effectiveness and Impact on Patients Between Conventional and 3D Printed Twin Block Appliances
The Twin Block appliance is a removable orthodontic appliance that is used to help correct a backward positioned lower jaw in growing children.
- Conditions
- Orthodontic Appliances, Removable, Orthodontic Appliance Complication, Class II Malocclusion, Division 1
- Trial name
- NCT06944860
- Testing
- Conventional TBA, 3D TBA
- Where
- Malaysia
- Volunteers
- 32 people
- Sponsor
- University of Malaya
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
Malocclusion of Anterior Teeth, Malocclusion in Children
Patient-Reported Outcomes for Different Orthodontic Thermoplastics Used in Clear Aligners
Clear aligner therapy is an esthetic orthodontic treatment modality that uses removable thermoplastic trays to correct dental alignment.
- Conditions
- Malocclusion of Anterior Teeth, Malocclusion in Children, Malocclusion Class II
- Trial name
- NCT07790315
- Testing
- Device / orthodontic clear aligner material
- Where
- Pakistan
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- CMH Lahore Medical College and Institute of Dentistry
CLASS II DIVISION 1 MALOCCLUSION
EVALUATION OF TREATMENT CHANGES IN CLASS II DIVISION 1 MALOCCLUSION DURING EN MASSE RETRACTION OF UPPER ANTERIOR TEETH USING MINI IMPLANTS PLACED AT INFRAZYGOMATIC CREST AND INTERRADICULAR SITES A RANDOMIZED 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
- NCT07405905
- Testing
- retraction of anterior teeth using mini implants placed at infrazygomatic crest., retraction of anterior teeth using mini implants placed at interradicular sites.
- Where
- India
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Postgraduate Institute of Dental Sciences Rohtak
Mal Occlusion Class 2
Comparative Study Between Two 3D Functional Appliances Herbst and Mandibular Anterior Repositioning Appliance (MARA) on Posterior Airway Space And TMJ in Growing Class II Malocclusion Patients
The aim of this study is to evaluate effect of three dimensional printed appliances Herbst appliance and Mandibular Anterior Repositioning Appliance (MARA) on Posterior Airway Space (PAS) and Temporomandibular Joint (TMJ) in…
- Trial name
- NCT07094841
- Testing
- 3D PRINTED herbst appliance, 3d printed mara
- Volunteers
- 20 people
- Sponsor
- Moataz Sleem Ahmed Ali
Class II Malocclusion
Maxillary Arch Distalization With Infrazygomatic Crest Miniscrews for Class II Malocclusion
This prospective clinical study will evaluate the effects of moving the entire upper dental arch backward using infrazygomatic crest miniscrews in participants with Class II malocclusion.
- Trial name
- NCT07875660
- Testing
- Infrazygomatic Crest Miniscrews
- Where
- Egypt
- Volunteers
- 16 people
- Sponsor
- Mansoura University