Clinical trials: Retrognathia
Maxillary Hypoplasia
Effectiveness of SARPE With 3 and 2-Segment Technique: A Randomized Clinical Trial
A few studies state that 3-segment SARPE has the following advantages: a) higher level of expansion symmetry; b) higher level of stability of the expansion achieved; and c) faster bone healing.
- Trial name
- 3S/2S_SARPE (NCT02179593)
- Testing
- 2-Segment SARPE, 3-Segment SARPE
- Where
- Brazil
- Volunteers
- 50 people
- Sponsor
- Federal University of São Paulo
Maxillary Deficiency
Maxillary Expansion: Leaf Expander Versus Hyrax Expander
The aim of the current study was to evaluate maxillary and mandibular arch widths' response to five different appliances and clinical protocols (Rapid maxillary expander RME, Leaf Expander 450g, Leaf Expander 900g, Self-expander…
- Trial name
- LEAF (NCT05135962)
- Testing
- orthodontic - rapid maxillary expansion, orthodontic - slow maxillary expansion with leaf expander, orthodontic - slow maxillary expansion with self leaf expander
- Volunteers
- 200 people
- Sponsor
- University of Genova
Class II Malocclusion, Mandibular Retrognathism
Comparison Of The Effects Of Clear Aligners And Twinblock Appliances In Functional Treatment Of Class II Malocclusion
This prospective clinical study aimed to compare the skeletal and dentofacial effects of Twin Block (TWB) and clear aligners with mandibular advancement, and to evaluate mandibular trabecular bone changes through fractal analysis…
- Trial name
- NCT07454694
- Testing
- Invisalign Clear Aligners, Twinblock Functional Appliance
- Where
- Turkey (Türkiye)
- Volunteers
- 34 people
- Sponsor
- Bezmialem Vakif University
Maxillary Deficiency, Horizontal Alveolar Bone Defect
Osseodensification Versus Alveolar Ridge Splitting
Evaluation of clinical and radiological outcomes of the alveolar ridge splitting technique versus Osseodensification burs in atrophic maxillary alveolar ridges in horizontal dimension.
- Trial name
- OD Vs ARS (NCT06728202)
- Testing
- A Horizontal Ridge Augmentation in Atrophic Maxillary Ridge
- Volunteers
- 46 people
- Sponsor
- Fayoum University
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, Head and Neck Neoplasms
Predictors of Patient-Reported Outcomes for Maxillectomy Patients
The success of digitally fabricated obturator rehabilitation is determined not only by the prosthesis itself but also by the interaction between patient characteristics, oncologic history, prosthetic support, and…
- Trial name
- NCT07864974
- Testing
- Digitally Fabricated Obturator Prosthesis
- Where
- Turkey (Türkiye)
- Volunteers
- 75 people
- Sponsor
- Dr. Merve Benli
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
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
Malocclusion, Angle Class II, Retrognathism
The Effect of Functional Treatment of Patients With Backward Positioned Chins on the Jaw Joint and Movements
Patients with class II malocclusion and retrognathic mandibles will be treated using functional appliances and asses the remodeling that is expected to occur in the temporomandibular joint (TMJ) using cone-beam computed…
- Conditions
- Malocclusion, Angle Class II, Retrognathism, TMJ
- Trial name
- NCT03645343
- Testing
- Activator, Twin Block
- Where
- Syria
- Volunteers
- 66 people
- Sponsor
- Damascus University
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
Anterior Crossbite, Class III Malocclusion
Evaluation of the Treatment Effects of Tooth Borne Versus Bone-anchored Protraction Procedures in Class III Patients With Maxillary Deficiency
The aim of this prospective randomized controlled clinical study is to compare the effects of bone-anchored and tooth borne maxillary protraction on dentofacial structures in skeletal Class III patients.
- Conditions
- Anterior Crossbite, Class III Malocclusion, Maxillary Deficiency
- Trial name
- NCT04863404
- Testing
- Face mask with hybrid-hyrax, Face mask with conventional bonded RME
- Where
- Turkey (Türkiye)
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Izmir Katip Celebi 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
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
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
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