Clinical trials: Class III Malocclusion
Prognathism, Retrognathia
Transoral Versus Transbuccal Placement of Bicortical Screws During Orthognathic Surgery
Bicortical screws have been widely used for mandibular osteosynthesis during orthognathic surgery.Transoral placement of bicortical screws is a rigid fixation method in orthognathic surgery, which is less often used.
- Conditions
- Prognathism, Retrognathia, Jaw Abnormalities
- Trial name
- NCT02658305
- Where
- Belgium
- Volunteers
- 509 people
- Sponsor
- AZ Sint-Jan AV
Mandible Prognathism, Mandibular Retrognathism
Evaluation of the Accuracy of Patient Specific Implant in Fixation of Mandibular Sagittal Split Osteotomy
Study was Conducted on Patients were need BSSO Using PSI for reposition and fixation
- Trial name
- BSSO (NCT07222904)
- Testing
- PSI
- Where
- Egypt
- Volunteers
- 8 people
- Sponsor
- Faculty of Dental Medicine for Girls
Cleft Lip Palate, Class III Skeletal Malocclusion
Evaluation of Modified Le Fort I Osteotomy for Treating Cleft Lip and Palate Patients
Nine adults with Angle class III relation and persistent alveolar bone defect due to CL/P deformity were included. SLF-1 maxillary advancement was performed.
- Conditions
- Cleft Lip Palate, Class III Skeletal Malocclusion, Le Fort; I
- Trial name
- NCT07423806
- Testing
- segmental Le Fort I (SLF-1) osteotomy
- Where
- Egypt
- Volunteers
- 9 people
- Sponsor
- Alexandria University
Multiple Sclerosis
Motor Evoked Potentials With Modified Facilitation Technique
Investigating the change in Test- Retest- reliability in healthy individuals when applying a modified easy to use facilitation technique compared to standard facilitation technique and analyzing sensitivity and specificity in…
- Trial name
- EP-F (NCT03646929)
- Testing
- MEP using standard facilitation technique, MEP using modified facilitation technique
- Where
- Switzerland
- Volunteers
- 81 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Mandibular Prognathism, Mandibular Retrognathism
The Effect of Deliberate Hypotension on QTc, Tp-e Intervals and Heart Rate Variability
Deliberate hypotension is defined as lowering the systolic blood pressure to 80-90mmHg, or the mean blood pressure to 50-65mmHg.
- Trial name
- NCT01634594
- Testing
- Group R, Group N, Group D
- Where
- South Korea
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Yonsei University
Class III Malocclusion
Treatment of Skeletal Class III Malocclusion Using Orthodontic Removable Traction Appliance
This experimental study aims to evaluate the efficiency of the orthodontic removable traction appliance in the treatment of skeletal class III malocclusion.
- Trial name
- NCT03172442
- Testing
- Vacuum plate, Rapid maxillary expander, Class III elastics
- Where
- Syria
- Volunteers
- 22 people
- Sponsor
- Damascus University
Class III Malocclusion, Facemask
Evaluation of Treatment Outcomes of Interceptive Orthodontic Intervention for Class Iii Malocclusion Using Inclined Plane Appliance Combined With Variable Bracket Placement
Study Title: Evaluation of Treatment Outcomes of Interceptive Orthodontic Intervention for Class III Malocclusion Using Inclined Plane Appliance Combined With Variable Bracket Placement Objective: To evaluate the clinical and…
- Conditions
- Class III Malocclusion, Facemask, Inclined Plane Appliance
- Trial name
- NCT07581990
- Testing
- Inclined Plane Appliance Combined With Variable Bracket Placement
- Where
- Vietnam
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Can Tho University of Medicine and Pharmacy
Skeletal Class 3 Malocclusion Due to Maxillary Deficiency
Three Levels of Force Application for Maxillary Protraction
The aim of this study is to evaluate dentoskeletal changes concomitant with different three levels of force application for maxillary protraction in growing patients with skeletal class 3 malocclusion.
- Trial name
- MaxiProtr (NCT04310267)
- Testing
- Petit typeface mask
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Al-Azhar University
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
The Effects of the Chin Cup on Temporomandibular Joint and Mandibular Dimensions
This in vivo comparative study will evaluate the changes in the mandibular dimensions and the glenoid fossa after skeletal class III subjects' therapy by chincup appliance and compare it with an untreated class III control group.
- Trial name
- NCT05350306
- Testing
- Chincup, Control group
- Where
- Syria
- Volunteers
- 38 people
- Sponsor
- Damascus 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 III Malocclusion in Growing Patients
Changes Following the Treatment of Lower Jaw Protrusion Using Two Appliances
An in vivo study evaluating the efficacy of the Tandem appliance in the treatment of maxillary deficiency in growing patients compared to the conventional facemask appliance treatment.
- Trial name
- NCT02144324
- Testing
- Tandem Appliance
- Where
- Syria
- Volunteers
- 30 people
- Sponsor
- Damascus University
Malocclusion, Angle Class III
Treatment of Class III Malocclusion Using Modified Fixed Mandibular Retractor Appliance
This experimental study aims to evaluate the efficiency of the Modified Fixed Mandibular Retractor Appliance in the treatment of skeletal class III malocclusion.
- Trial name
- NCT03354442
- Testing
- Modified Fixed Mandibular Retractor Appliance
- Where
- Syria
- Volunteers
- 44 people
- Sponsor
- Damascus University
Maxillofacial Abnormalities, Jaw Abnormalities
Digital Occlusal Wafer Versus Waferless Distal Segment Repositioning for BSSO in Skeletal Mandibular Deformities
Research studies continues to attempt testing modifications to refine the treatment protocols through computer assisted design or computer-generated surgical Wafer splints, have greatly revolutionized the incorporation of digital…
- Conditions
- Maxillofacial Abnormalities, Jaw Abnormalities, Prognathism, Retrognathia
- Trial name
- NCT05151042
- Testing
- wafer-less approach, Computer Guided orthognathic surgery using occlusal wafers
- Where
- Egypt
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Cairo University
Control Patients, Class III Malocclusion
Effect of Face Mask Therapy on Blood Oxygen Levels
Skeletal Class III malocclusions are characterized by maxillary retrusion, mandibular protrusion, or a combination of both. In growing individuals presenting with maxillary deficiency, the face mask appliance is widely recognized…
- Trial name
- NCT06939179
- Testing
- Class III Malocclusion
- Where
- Turkey (Türkiye)
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Biruni University
Malocclusion, Angle Class III
Dentofacial Effects Of Two Non-Compliance Appliances In The Treatment Of Growing Skeletal Class III Patients
Early orthodontic treatment of Class III malocclusions with skeletal and dentoalveolar imbalances, represents a continuous dilemma.
- Trial name
- NCT04825951
- Testing
- CS 2000
- Where
- Egypt
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Alexandria University
Malocclusion
Evaluation of Clear Aligner Trays to Straighten Teeth
The objective of this study is to evaluate the efficacy of Clear Aligners to correct tooth malocclusions with the use of attachments and/or buttons, as determined by the amount of teeth movement and overall achievement goals of…
- Trial name
- NCT03141788
- Testing
- Clear Aligner
- Where
- 9 sites in United States
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Solventum Orthodontics Corporation
Class III Malocclusion, Hyoid Bone
The Effect of Orthopedic Face Mask Use on Head Posture and Pharyngeal Airway
The aim of this study was to evaluate the changes in head posture, position of the hyoid bone, pharyngeal airway and cervical posture after the use of Petit type face mask in patients with skeletal class III malocclusion (ANB…
- Trial name
- NCT05114642
- Testing
- Skeletal Class III Malocclusion Treatment with Face Mask Group
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Taner OZTURK, DDS, MS
Maxillofacial Abnormalities, Mandible Prognathism
Condylar Position Changes and TMJ Functions After BSSO Mandibular Setback, Low Medial Cut.
This study hypotheses that using low medial cut osteotomy BSSO in mandibular setback can be an efficient and effective method to limit the bony segment interferences , decreasing muscles stripping during osteotomy ,decrease…
- Conditions
- Maxillofacial Abnormalities, Mandible Prognathism, Skeletal Malocclusion
- Trial name
- NCT05713084
- Testing
- mandibular setback using BSSRO
- Where
- Egypt
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Cairo University
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)