Clinical trials: Retrognathia
Maxillary Retrusion
Radiological Evaluation of Anterior Maxilla For Immediate Implant Placement
According to the literature age and gender may be associated with differences in skeletal size, anatomy and architecture in humans.
- Trial name
- NCT07133503
- Testing
- radiological evaluation
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 278 people, healthy volunteers welcome
- Sponsor
- TC Erciyes University
Maxillary Deficiency, Bone Resorption
Using Chin Bone Rings for Sinus Lifting and Dental Implants in One Surgery
This study evaluates the Bone Ring Technique, a single stage procedure that combines external sinus floor elevation and dental implant placement using an autogenous bone ring harvested from the chin.
- Trial name
- BRT-SINUS (NCT07619846)
- Testing
- Bone Ring Technique (BRT)
- Where
- Syria
- Volunteers
- 10 people
- Sponsor
- Damascus University
Maxillary Hypoplasia
Skeletal and Dental Changes with Hyrax-type Rapid Maxillary Expander Anchored to Permanent Versus Deciduous Molars
The aim of the study is to compare the skeletal and dental maxillary expansion obtained with an Hyrax tooth-borne expander anchored either on the 2nd deciduous molars (V) or on the 1st permanent molars (6)
- Trial name
- DENTHYRAX (NCT05773573)
- Testing
- Experimental group, Control group
- Where
- France
- Volunteers
- 34 people
- Sponsor
- University Hospital, Montpellier
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
Class III Malocclusion, Maxillary Deficiency
Evaluation of Pain and Functional Impairments When Treating Class III Malocclusion Using Two Treatment Procedures
A clinical examination of each recalled candidate patient will be carried out at Adib Al Lahham Centre at the Ministry of Health Damascus to ensure that he/she meets the inclusion criteria.
- Trial name
- NCT06877780
- Testing
- RMR with SME, BAIMT with RME
- Where
- Syria
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Damascus University
Maxillary Retrognathism, Children
Treatment of Mandibular Overjet in Children With Maxillary Retrognathism
The project involves a 10-year prospective longitudinal cohort multicentre study where orthodontic treatment and treatment effect is followed in children with Cl III due to maxillary retrognathia who undergo standardized…
- Conditions
- Maxillary Retrognathism, Children, Treatment, Class III Malocclusion
- Trial name
- NCT07706400
- Testing
- Interceptive treatment
- Where
- 3 sites in Denmark, Sweden
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Malmö University
Crossbite, Maxillary Hypoplasia
Pain and Discomfort During Maxillary Expansion
The aim of the present study is to investigate and analyze the perception of pain and function impairment during the first week of activation with two different palatal expansion screw to identify an effective pain prevention…
- Trial name
- NCT03757468
- Testing
- orthodontic - maxillary expansion
- Where
- 2 sites in Italy
- Volunteers
- 100 people
- Sponsor
- University of Genova
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
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
Maxillary Deficiency, Cleft Lip and Palate
Evaluation of Maxillary Expansion Using Clear Aligners' Therapy in Patients With Cleft Lip and Palate at the Mixed Dentition Stage
The goal of this clinical trial is to learn if the aligners can expand upper dental arch in patients with cleft lip and palate at age of 6-8 years old to correct their collapsid archs.
- Trial name
- Pilot (NCT06994754)
- Testing
- clear aligners
- Where
- Egypt
- Volunteers
- 10 people
- 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)
Mandibular Retrognathism
Comparison of Distalization and Functional Appliance Therapy
The correction of Class II malocclusion is one of the most common problems facing the orthodontist, with an estimated one-third of all orthodontic patients treated for this condition.
- Trial name
- NCT03252782
- Testing
- Herbst Appliance, Distal Jet Appliance
- Volunteers
- 30 people
- Sponsor
- Izmir Katip Celebi University
Class II Division 1 Adolescent Patients
Three-Dimensional Evaluation of Pharyngeal Airway and Facial Dimension Changes in Skeletal Class II Patients Treated With Twin Block Versus Myobrace Appliances
This study is intended primarily to compare the effects of two Class II correction appliances, namely Twin block and Myobrace appliances, on pharyngeal airway dimensions during the treatment of class II division 1 adolescent…
- Trial name
- NCT06976749
- Testing
- myobrace appliance, Twin block
- Where
- Iraq
- Volunteers
- 50 people
- Sponsor
- University of Baghdad
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
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
Micrognathia of Lower Jaw, Retrognathism
Comparison Between Internal and External Distractors in Osteogenesis
Distraction osteogenesis is a powerful technique for creating new bone during significant lengthening of the mandible without the need for bone grafting and associated donor site morbidity.
- Conditions
- Micrognathia of Lower Jaw, Retrognathism, Facial Asymmetry
- Trial name
- NCT03540329
- Testing
- Internal Osteogenesis distractor, External Osteogenesis distractor
- Volunteers
- 30 people
- Sponsor
- Assiut University
Peri-operative Hemorrhage or Hematoma, Surgery
Preventive EXACYL® on Perioperative Bleeding During Orthognathism of Maxillary Surgery
Prospective, randomized, double-blind, placebo-controlled, mono center, Phase III trial to compare EXACYL in preventive with placebo on perioperatory bleeding in orthognathism surgery.
- Conditions
- Peri-operative Hemorrhage or Hematoma, Surgery, Retrognathism
- Trial name
- LEFORTEXACYL (NCT02702128)
- Testing
- Tranexamic Acid, saline solution
- Where
- France
- Volunteers
- 157 people
- Sponsor
- University Hospital, Lille
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
Orofacial Myofunctional Disorders, Myo Munchee
Trial to Compare the Effects of Myo Munchee Therapy and Oral Motor Therapy (OMT) in Pediatric Patients to Treat Maxillary Deficiency and Orofacial Myofunctional Dysfunction (OMD).
Multi-center, 6-month, randomized, and controlled trial to compare the effects of Myo Munchee therapy and Oral Motor Therapy (OMT) in pediatric patients (aged 3-5 years) to treat maxillary deficiency and orofacial myofunctional…
- Conditions
- Orofacial Myofunctional Disorders, Myo Munchee, Oral Motor Therapy, Maxillary Deficiency
- Trial name
- NCT07088055
- Testing
- Chewing device only, Myo Munchee and Oral Motor Therapy Treatment, Oral Motor Therapy Treatment Arm
- Where
- 2 sites in United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Myo Munchee (Operations) Pty Ltd
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