Clinical trials: Malocclusion Class I
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, 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
Skeletal Class III Malocclusion
Figuring Out the Genetic Mutations That Lead to Lower Jaw Advancement More Than the Upper Jaw
Purpose of the Research: To reveal the genetic cause for the occurrence of Class III malocclusion, or what may be described as a reverse bite (underbite). Introduction and Detailed Procedures for the Patient (Work Plan): 1.
- Trial name
- NCT07749638
- Where
- Egypt
- Volunteers
- 93 people
- Sponsor
- Cairo University
Dental Crowding, Malocclusion, Angle Class I
The Reliability and Validity of Little's Irregularity Index Assessment
The primary aim of the current study was to estimate the validity, reliability, and repeatability of LII measurements
- Trial name
- LII (NCT07745855)
- Where
- Egypt
- Volunteers
- 20 people
- Sponsor
- Al-Azhar 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
Evaluation of Maxillary Molar Distalization With Two Bone Supported Protocols Using Cone Beam Computed Tomography
The goal of this clinical trial is to to evaluate and compare the skeletal and dental changes of bone supported Fast Back and bone supported modified Leaf Spring Self-Activated Expander in bilateral distalization of maxillary…
- Trial name
- NCT06308640
- Testing
- Fast Back Rapid Distalizer, Modified Leaf Spring Self-Activated Expander
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Tanta University
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
Class II Malocclusion, Dentofacial Deformities
Comparative Evaluation of Functional and Aesthetic Outcomes of Box and Mini-Wing Genioplasty Techniques
This retrospective cohort study aims to compare the effects of Mini Wing and Box genioplasty performed in conjunction with bimaxillary orthognathic surgery on upper airway area and soft tissue profile in adult patients with…
- Conditions
- Class II Malocclusion, Dentofacial Deformities, Retrognathia
- Trial name
- MWBOX (NCT07724743)
- Testing
- Mini Wing Genioplasty, Box Genioplasty
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people
- Sponsor
- Istanbul Medipol University Hospital
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
Angle Class 2 Malocclusion
Clear Aligners vs Fixed Appliances for Molar Distalization Using Infrazygomatic Crest Screws
This study compares three different methods of moving upper back teeth backward (distalization) to create space for crowded or protruding teeth, all supported by small temporary screws placed in the cheekbone area (infrazygomatic…
- Trial name
- NCT07714603
- Testing
- Pitts21® fixed appliance, Invisalign® Clear Aligners, ClearCorrect Clear Aligners
- Where
- Turkey (Türkiye)
- Volunteers
- 37 people
- Sponsor
- TC Erciyes University
Malocclusion, Angle Class I, Dental Crowding
Bracket Positioning Techniques and Quality of Orthodontic Finishing
This three-arm randomized clinical trial compares three orthodontic bracket positioning techniques - Smile Arc Protection (SAP), Smile Arc and Marginal Ridge Approach (SAMRA), and the McLaughlin-Bennett-Trevisi (MBT) bracket…
- Trial name
- NCT07708363
- Testing
- Smile Arc Protection (SAP) bracket positioning, Smile Arc and Marginal Ridge Approach (SAMRA) bracket positioning; Procedure, McLaughlin-Bennett-Trevisi (MBT) chart bracket positioning
- Where
- Egypt
- Volunteers
- 39 people
- Sponsor
- Future University in Egypt
Skeletal Class II Malocclusion
Modified Versus Clear Twin Block for Skeletal Class II Malocclusion
This study aims to evaluate the effectiveness of a modified Twin Block appliance compared to a conventional clear Twin Block appliance in the treatment of skeletal Class II malocclusion caused by mandibular retrusion in growing…
- Trial name
- MTB-CTB (NCT07608406)
- Testing
- Modified Twin Block Appliance, Conventional Clear Twin Block Appliance
- Where
- Syria
- Volunteers
- 40 people
- Sponsor
- University of Aleppo
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
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
Malocclusion, Angle Class I
Direct vs Indirect In-House Clear Aligners vs Fixed Appliances in Orthodontic Treatment
Clear aligner therapy has become increasingly popular as an esthetic alternative to conventional braces in orthodontic treatment.
- Trial name
- NCT07687329
- Testing
- Direct In-House Clear Aligners, Indirect In-House Clear Aligners, Fixed Orthodontic Appliances
- Where
- Turkey (Türkiye)
- Volunteers
- 36 people
- Sponsor
- TC Erciyes University
Skeletal Class II Malocclusion, Mandibular Retrognathia
Fixed Versus Conventional Twin Block Appliances for Skeletal Class II Malocclusion
This study compares two types of dental appliances a fixed Twin Block appliance and a conventional (removable) Twin Block appliance used to treat a bite problem called skeletal Class II malocclusion in growing children and…
- Trial name
- NCT07687927
- Testing
- Conventional Twin Block Appliance
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
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
Malocclusion Class II, CLASS II DIVISION 1 MALOCCLUSION
A Novel Bi-dimensional Archwire for Miniscrew-supported En-masse Retraction
This study aims to provide a preliminary clinical evaluation of a novel bi-dimensional archwire used during miniscrew-supported en-masse retraction of the maxillary anterior teeth.
- Trial name
- NCT07664215
- Testing
- Bi-dimensional archwire
- Where
- Syria
- Volunteers
- 6 people
- Sponsor
- Damascus University
Angle Class I Malocclusion, Dental Crowding
Clinical Performance of Direct-Printed Versus Thermoformed Aligners
The goal of this study is to evaluate and compare the clinical effectiveness of in-office directly 3D-printed clear aligners versus conventional multilayered thermoformed aligners.
- Conditions
- Angle Class I Malocclusion, Dental Crowding, Tooth Spacing
- Trial name
- NCT07637227
- Testing
- Direct-Printed Aligner, Thermoformed aligner
- Where
- 3 sites in Iraq
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- University of Baghdad
Skeletal Class III Malocclusion
Surgery-First Orthognathic Surgery in Skeletal Class III Treatment
This study evaluates the efficacy and stability of the "Surgery-First" approach (SF approach) in treating patients with skeletal Class III malocclusion, utilizing a combined retrospective and prospective data collection method.
- Trial name
- NCT07433842
- Testing
- Surgery-First Orthognathic Surgery
- Where
- Vietnam
- Volunteers
- 60 people
- Sponsor
- Hanoi Medical University