Clinical trials: Mandibular Retrognathism
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 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 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
Orthodontic Appliance Design, Retrognathism
Effect of the Innovated Seifi's Functional Appliance on Skeletal and Dentoalveolar Changes of Class II/ 1, Deep Bite
For improving the appearance of protruded upper front teeth when lower front teeth may touch palatal mucosa or have proximity to that; the innovated Seifi's Functional Appliance may be used.
- Conditions
- Orthodontic Appliance Design, Retrognathism, Malocclusion, Angle Class II, Deepbite
- Trial name
- Seifi-Fx (NCT00688233)
- Testing
- Seifi's Functional
- Where
- Iran
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Shahid Beheshti University of Medical Sciences
Mandibular Retrognathism
Functional Appliance Effects on Mandibular Soft Tissues
This study aimed to evaluate the changes in mandibular and cervical soft tissues in Class II patients with mandibular retrognathia treated with the Twin Block appliance, compared to skeletal Class I patients without functional…
- Trial name
- NCT06935032
- Testing
- Twin block appliance, Fixed orthodontic treatment
- Where
- Turkey (Türkiye)
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Konya Necmettin Erbakan Üniversitesi
Maxillary Deficiency
Paranasal Sinus Volumes of Maxillary Deficiency Patients Requiring Le Fort Osteotomy
The present study aims to compare ethmoid, sphenoid and maxillary sinus volumes of patients with maxillary deficiency requiring Le Fort osteotomy with healthy patients, by employing computed tomography imaging.
- Trial name
- NCT04637568
- Testing
- Computerized tomography
- Where
- Turkey (Türkiye)
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Ankara University
Maxillar Hypoplasia
Evaluation of Masticatory Muscle Activity in Pediatric Patients Undergoing Rapid Maxillary Expansion
Transverse maxillary constriction is a malocclusion that subsists when the distance between the upper first molars palatal cuspids is lower than the distance between the lower first molars vestibular center fossae.
- Trial name
- NCT05820438
- Testing
- Electromyography
- Where
- Italy
- Volunteers
- 34 people
- Sponsor
- University of Pavia
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
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
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
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
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
Dental Malocclusion, Maxillary Deficiency
Effect on Periodontal Phenotype of Flapless Piezoincission During Orthodontic Treatment
Research Question While the reduction in treatment times and the patient satisfaction after periodontally accelerated osteogenic orthodontics (PAOO) are well sustained in the scientific literature, there is still controversy…
- Trial name
- Piezo_Ortho (NCT06315348)
- Testing
- flapless alveolar decortication with augmentation
- Where
- Spain
- Volunteers
- 40 people
- Sponsor
- Universidad Complutense de Madrid
Maxillary Hypoplasia
Orthodontic Retention on the Maxillary Stability After SARME Using Laser Scanner
The objective of this study was to evaluate the effect of the orthodontic retainer on transverse maxillary dental and skeletal stability after SARME.
- Trial name
- NCT01770782
- Testing
- Surgically Assisted Rapid Maxillary Expansion (SARME), Laser Scanner
- Where
- Brazil
- Volunteers
- 30 people
- Sponsor
- Max Domingues Pereira
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
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
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
Maxillary Deficiency
Associations Between Radiographic Inclination of Premolars and Maxillary Expansion
Recruitment of patients treated using rapid maxillary expanders with dental anchorage, with pre-treatment panoramic X-rays and post-treatment models.
- Trial name
- NCT07095374
- Testing
- Rapid palatal expansion
- Where
- Italy
- Volunteers
- 200 people
- Sponsor
- University of Pavia
Palatal Expansion Technique, Malocclusion
Comparison Between Two Rates of Activation of Miniscrew-Supported Upper Jaw Expander in Adolescents
Miniscrew-supported maxillary expanders provide advantages over conventional tooth-supported expanders. However, there is no consensus in the literature regarding their activation protocol.
- Conditions
- Palatal Expansion Technique, Malocclusion, Posterior Crossbite, Maxillary Hypoplasia
- Trial name
- NCT04225637
- Testing
- Miniscrew-Supported Maxillary Expander- Slow activation, Miniscrew-Supported Maxillary Expander- Rapid activation
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Alexandria University
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