Clinical trials: Retrognathia
Mandibular Retrognathism, Mandibular Hypoplasia
Twin Block Appliance in Incremental Versus Maximum Bite Advancement in Skeletal Class II
The aim of this study is to compare to different protocols to treat Class II malocclusion in growing subjects using the twin block appliance
- Trial name
- NCT04562545
- Testing
- Modified Twin Block, Twin Block Appliance set to maximum bite
- Where
- Egypt
- Volunteers
- 24 people
- Sponsor
- Cairo 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
Maxillary Deficiency, Alveolar Bone Loss
Completely Versus Partially Guided Zygomatic Implant
The aim of study is evaluation of accuracy of completely versus partially limiting computer generated surgical three-dimensional guides during placement of zygoma implants in patients with atrophic maxillae.
- Trial name
- NCT06227351
- Testing
- completely limiting computer generated surgical three-dimensional guide, Partially limiting computer generated surgical three-dimensional guide
- Where
- Egypt
- Volunteers
- 6 people
- Sponsor
- Fayoum University
Bilateral Complete Cleft Lip And/or Alveolus and Acrylic Splint, and, Maxillary Deficiency
Evaluating the Impact of Prefabricated Acrylic Splints on Premaxillary Stability in Alveolar Cleft Bone Graft Repairs: a Randomized Controlled Trial
Rationale for conducting the research: Bilateral alveolar clefts pose significant management challenges, with current treatments like autogenous bone grafting showing instability in up to 40% of cases within a year, risking graft…
- Conditions
- Bilateral Complete Cleft Lip And/or Alveolus and Acrylic Splint, and, Maxillary Deficiency, Stability
- Trial name
- RCT (NCT06807645)
- Testing
- Clinical Trial Intervention Description General Study Setup Objective: To compare the efficacy of using a custom-made prefabricated acrylic splint versus no splint in maintaining premaxillary stabilit
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Cairo University
Nasal Septum; Deviation, Congenital, Cleft Lip and Palate
Three Dimensional Changes on Nasal Septum and Alveolar Cleft After Maxillary Expansion
This study evaluates, by means of cone beam computed tomography (CBCT), the alterations in the nasal septum and alveolar cleft volume that occur in cleft lip and palate (CLP) patients after rapid maxillary expansion(RME).
- Conditions
- Nasal Septum; Deviation, Congenital, Cleft Lip and Palate, Maxillary Hypoplasia
- Trial name
- NCT03976609
- Testing
- Maxillary Expansion
- Volunteers
- 40 people
- Sponsor
- Pontifícia Universidade Católica de Minas Gerais
Malocclusion, Maxillar Hypoplasia
Comparison of 2 Techniques of Surgically Assisted Rapid Maxillary Expansion
This study evaluates 2 Techniques of Surgically Assisted Rapid Maxillary Expansion (SARME) in the treatment of maxillary transverse deficiency.
- Conditions
- Malocclusion, Maxillar Hypoplasia, Transverse Maxillary Deficiency
- Trial name
- SARME (NCT03503448)
- Testing
- Osteotomy between the maxillary central incisors, Osteotomy between the maxillary lateral incisors and canines
- Where
- Brazil
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Hospital Universitario Pedro Ernesto
Sleep Apnea Syndromes in Children, Functional Orthodontic Treatment
Evaluation of Functional Orthodontic Treatment on Sleep Quality
Functional appliances are used in the treatment of Class II anomalies caused by mandibular rethrognathia. Herbst which is a fixed and rigid functional appliance and TWB which is removable appliance can be successful in the…
- Conditions
- Sleep Apnea Syndromes in Children, Functional Orthodontic Treatment, Mandibular Retrognathia, Upper Airway
- Trial name
- NCT06660771
- Testing
- Functional orthodontic treatment
- Where
- Turkey (Türkiye)
- Volunteers
- 46 people
- Sponsor
- Gökçenur Gökçe Kara
ClassII Division 1 Malocclusion, Mandibular Retrognathism
Effects of Orthopedic Mandibular Advancement in Class II Division 1 Malocclusion on Pharyngeal Airway
This study aims at evaluating the effects of mandibular advancement on pharyngeal airway space and nocturnal breathing in children with skeletal class II division1 malocclusion.
- Trial name
- NCT04255511
- Testing
- Twin Block, Fixed orthodontic appliance
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Adiposity, Micrognathism
A Fatty Flap Taken From the Double Chin for Chin Enhancement: a New Surgical Technique
The double chin is a troublesome component of the lower third of the face. It gives an embarrassing and unpleasant facial appearance to both men and women leading them to ask for liposuction.
- Trial name
- NCT05515016
- Testing
- chin enhancement with a fatty flap sculpted from the double chin
- Volunteers
- 10 people
- Sponsor
- Mohamed Tahar Maamouri University Hospital
Retrognathia, Malocclusion, Angle Class II
Maxillary Patient Specific Implants in Bimaxillary Orthognathic Surgery
Orthognathic surgery is a type of jaw surgery where a surgeon cuts the bones of the upper and lower jaw and places them better. There are two ways they can put the bones in the correct place and keep them in place after the…
- Trial name
- NCT06297109
- Testing
- Patient-specific implants, Conventional mini-plates
- Where
- Denmark
- Volunteers
- 60 people
- Sponsor
- Esbjerg Hospital - University Hospital of Southern Denmark
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)
Palatal Expansion Technique, Posterior Crossbite
Miniscrew-assisted Rapid Palatal Expansion With and Without Corticopuncture
Rapid palatal expansion aims at skeletally correcting the transverse maxillary deficiency by applying forces to separate the mid-palatal suture.
- Conditions
- Palatal Expansion Technique, Posterior Crossbite, Maxillary Hypoplasia, Malocclusion
- Trial name
- NCT05543460
- Testing
- MARPE with Corticopunctures, MARPE
- Where
- Egypt
- Volunteers
- 24 people
- Sponsor
- Alexandria University
Maxillary Deficiency, Maxillary Retrusion
Effects of Conventional Versus Skeletally Anchored Facemask in Treatment of the Prepubertal Skeletal Class III Patients
The aim of this study will be directed to the assessment of dentoskeletal effects concomitant with skeletally anchored maxillary protraction in orthodontic skeletal Class III patients.
- Trial name
- NCT05089396
- Testing
- Maxillary protraction
- Where
- Egypt
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Maxillary Hypoplasia, Cleft Lip Palate
Time and Type Dependent Evaluation of Different Techniques for Correction of Cleft Maxillary Hypoplasia
Maxillary hypoplasia in CLP deformities results from congenital reduction in midfacial growth and the effects of the surgical scar from CLP repair.Turvey et al.
- Conditions
- Maxillary Hypoplasia, Cleft Lip Palate, Orthognathic Surgery
- Trial name
- NCT06852196
- Testing
- orthognathic surgery ,lefort 1,bsso ,DO, distraction osteogenesis
- Volunteers
- 22 people
- Sponsor
- Assiut University
Maxillary Hypoplasia, Malocclusion, Angle Class III
Effect of Bone-anchored Protraction on Maxillary Growth in the Young Child
Class III malocclusions may originate in a retrognathic maxilla, a prognathic mandible or both. Young patients with class III malocclusion and maxillary hypoplasia are conventionally treated with a protraction facemask in order…
- Trial name
- NCT02711111
- Testing
- Face mask, orthodontic bone anchor
- Where
- Belgium
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Ziekenhuis Oost-Limburg