Clinical trials: Prognathism
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)
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
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
Surgical Complication, Paresthesia
Trial of Bilateral Sagittal Split Osteotomy Induced Paresthesia Using Ultrasonic vs. Reciprocating Saw Instrumentation
The aim of this prospective study is to analyze the postoperative paresthesias experienced in patients who undergo bilateral sagittal split osteotomies (BSSO) using an ultrasonic saw, versus a reciprocating saw.
- Conditions
- Surgical Complication, Paresthesia, Fracture, Nerve Injury
- Trial name
- NCT05205616
- Testing
- Sonopet ultrasonic saw, Reciprocating saw
- Where
- 2 sites in United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
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
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
Maxillary Prognathism, Maxillary Retrusion
Custom Made Plate in Orthognathic Surgery
Orthognathic surgery has traditionally been used to correct dentofacial deformities. Conventional methods rely on 2D radiographic images, occlusal splints, and dental casts, but these approaches have limitations, such as errors…
- Trial name
- OGS (NCT06772688)
- Testing
- orthognathic surgery
- Where
- Egypt
- Volunteers
- 8 people
- Sponsor
- Faculty of Dental Medicine for Girls
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
Maxillary Prognathism
En-mass Retraction by KILBON Versus CAT Appliances
en-mass retraction by lingual retractor versus clear alighner therapy
- Trial name
- NCT06366737
- Testing
- KILBON Appliance, CAT appliance
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cairo 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
Mandibular Prognathism
Orthognathic Surgeries and Pharyngeal Airway Space
twenty-four patients with dentoskeletal deformity of class III will be divided equally into two groups and will be subjected to orthognathic surgeries group A; will be treated by mandibular setback surgery while group B will be…
- Trial name
- NCT04629859
- Testing
- mandibular setback and maxillary advancement, mandibular setback
- Where
- Egypt
- Volunteers
- 24 people
- Sponsor
- Fayoum University
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
Retrognathism, Prognathism
Pharmacological Treatment on the Recovery of Neurosensory Disturbance After Bilateral Sagittal Split Osteotomy
The bilateral sagittal split osteotomy (BSSO) of the mandible is one of the most used surgical techniques to achieve a harmonious jaw relation in the context of orthognathic surgery.
- Conditions
- Retrognathism, Prognathism, Orthognathic Surgery, Neurosensory Disorder
- Trial name
- NCT05536596
- Testing
- Orthognathic Surgery, Melatonin 10 MG Oral Tablet, Hydroxycobalamin
- Volunteers
- 220 people, healthy volunteers welcome
- Sponsor
- Universitat Internacional de Catalunya
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
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
Class II Division 1 Malocclusion, Maxillary Prognathism
Laser-assisted Flapless Corticotomy in Accelerating Canine Retraction
Erbium lasers have been suggested to accomplish corticotomy without flap reflection due to their attractive advantages. The current trial aimed to evaluate the efficacy of laser-assisted flapless corticotomy in accelerating…
- Conditions
- Class II Division 1 Malocclusion, Maxillary Prognathism, Protrusion, Incisor
- Trial name
- NCT04316403
- Testing
- Er:YAG laser
- Where
- Syria
- Volunteers
- 18 people
- Sponsor
- Damascus University
Facial Asymmetry, Retrognathism
Efficacy of Intravenous Iron Therapy in Maintaining Hemoglobin Concentration on Patients Undergoing Bimaxillary Orthognathic Surgery
The aim of this study is to evaluate the effect of Intravenous iron isomaltoside on maintaining hemoglobin concentration in patients undergoing bimaxillary orthognathic surgery.
- Conditions
- Facial Asymmetry, Retrognathism, Prognathism
- Trial name
- NCT03094182
- Testing
- Iron Isomaltoside 1000, Normal saline
- Where
- South Korea
- Volunteers
- 58 people
- Sponsor
- Yonsei University
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
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
Malocclusion, Anxiety
Patient Education Before Orthognathic Surgery
To evaluate the effectiveness in the use of an educational material through: Assessment of knowledge about post-operative orthognathic surgery; assessing levels of anxiety with the survey of Anxiety Inventory-STATE-TRAIT…
- Conditions
- Malocclusion, Anxiety, Micrognathism, Prognathism
- Trial name
- NCT01803204
- Testing
- Booklet - Preoperative Educational
- Where
- Brazil
- Volunteers
- 48 people
- Sponsor
- University of Sao Paulo