Clinical trials: Dentofacial Deformity
Dentofacial Deformities, Le Fort; I
Comparison Between Two Techniques to Reposition the Maxilla After le Fort 1
clinical and radiographic comparison between novel locating guide design with pre-bent titanium plates and 3d printed intermediate wafer to reposition the maxilla after Le Fort 1 osteotomy in orthognathic surgery (randomized…
- Trial name
- orthognathic (NCT06132906)
- Testing
- Orthognathic surgery (lefort1)
- Where
- Egypt
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Alexandria University
Maxillofacial Abnormalities
Mandibular Stability and Dentofacial Deformity
The present study intends to clarify whether there is positional mandibular stability in patients to be submitted to orthognathic surgery.
- Trial name
- NCT01486069
- Where
- Brazil
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Dentofacial Abnormalities, Dentofacial Deformities
Orthognathic Speech Pathology: Phonetic Contrasts of Patients With Dental Discrepancies Pre- and Post-Treatment Analyses
The investigators are studying how speech is effected by jaw and tooth position in jaw surgery patients. Eighty percent of our jaw surgery patients have speech pathologies, compared to five percent of the general population, but…
- Conditions
- Dentofacial Abnormalities, Dentofacial Deformities, Dentofacial Anomalies, Including Malocclusion, Malocclusion
- Trial name
- OSP (NCT04117360)
- Testing
- Orthognathic surgery and Orthodontics
- Where
- United States
- Volunteers
- 180 people
- Sponsor
- University of North Carolina, Chapel Hill
Dentofacial Deformities
Patient-Specific vs. Conventional Positioning in Sagittal Split Ramus Osteotomy
This study aims to evaluate the clinical efficacy and positioning accuracy of a custom-made proximal segment positioning appliance designed for use in sagittal split ramus osteotomy (SSRO).
- Trial name
- NCT07125963
- Testing
- Custom-made positioning appliance-assisted mandibular segment repositioning, Conventional Manual Positioning
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people
- Sponsor
- Sümer Münevveroğlu
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
Mandibular Neoplasms, Maxillary Neoplasms
Three-Dimensional Printing of Patient-Specific Titanium Plates in Jaw Surgery: A Pilot Study
Medical titanium plates are routinely used in fixing mobilized bone segments in jaw surgeries. Generally these plates are commercialized with standard construction specifications.
- Conditions
- Mandibular Neoplasms, Maxillary Neoplasms, Dentofacial Deformities, Maxillofacial Injuries
- Trial name
- 3DJP16 (NCT03057223)
- Testing
- 3D-printed patient-specific titanium plates
- Where
- Hong Kong
- Volunteers
- 96 people
- Sponsor
- The University of Hong Kong
Dentofacial Deformities
The Use of Bone-borne Guides in Orthognathic Surgery Cases
The present study was conducted to evaluate a new design of the intermediate stent that is used in orthognathic surgery cases requiring Le Fort I osteotomy.
- Trial name
- NCT04224805
- Testing
- Bone-borne CAD/CAM splint, 3D interocclusal conventional splint
- Where
- Egypt
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Alexandria University
Dentofacial Deformities
Stability of Two Designs of Patient Specific Osteosynthesis For Fixation of LeFort 1 Osteotomy in Orthognathic Surgery
A comparison of the stability of two different designs of patient specific fixation devices for the performance of splintless computer guided le fort 1 osteotomy in orthognathic surgery workflow for the correction of a variety of…
- Trial name
- NCT05522348
- Testing
- Stability of a two piece PSI deign in splintless maxillary orthognathic surgery, Stability of a one piece PSI deign in splintless maxillary orthognathic surgery
- Where
- Egypt
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Cairo University
Dentofacial Deformities
Skeletal Stability of Le Fort I Osteotomy Using Patient-specific Osteosynthesis Compared to Mini-plate Fixation for Patients With Dentofacial Disharmony
The aim of the study is to evaluate the Skeletal stability of Le Fort I osteotomy using patient-specific osteosynthesis compared to Mini-plate fixation for patients with skeletal class III malocclusion.
- Trial name
- NCT05340036
- Testing
- Bimaxillary orthognathic surgery using conventional plates, Bimaxillary orthognathic surgery using patient specific plates
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Hassan Fahmy Hassan Alnimr
Class III Malocclusion, Skeletal Malocclusion
Comparison of Skeletal Anchorage Versus Conventional Tooth-Borne Face Mask Therapy Following the Alt-RAMEC Protocol
This study investigated two different methods of maxillary protraction in growing patients with skeletal Class III malocclusion characterized by maxillary deficiency.
- Conditions
- Class III Malocclusion, Skeletal Malocclusion, Maxillary Deficiency
- Trial name
- MiniFM (NCT07279662)
- Testing
- Skeletal Anchorage Supported Maxillary Protraction, Tooth-Borne Maxillary Protraction Appliance
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people
- Sponsor
- Murat Kaan Erdem
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)
Dentofacial Deformities
3D Photogrammetry Versus Commercial Scanners for Accurate Repositioning of the Maxilla for Correction of the Dentofacial Deformity.
Current advances in the three-dimensional virtual surgical planning (3D-VSP) of the orthognathic surgery have brought newer insights, enormous benefits and have become an indispensable aid for diagnosis, treatment planning and…
- Trial name
- NCT05755022
- Testing
- Maxillary Segment Repositioning
- Where
- Egypt
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Cairo University
Dentofacial Deformities, Edema
Lymphatic Drainage Massage and Melatonin in Post-Orthognathic Surgery Pain and Edema
Lymphatic drainage massage is one of the most essential techniques for reducing edema. It is a very gentle, monotonous, slow, rhythmic massage applied to the skin's surface.
- Conditions
- Dentofacial Deformities, Edema, Pain
- Trial name
- NCT07062757
- Testing
- no intervention, lymphatic drainage massage, oral melatonin tablet
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Bezmialem Vakif University
Orthognathic Surgery, Dentofacial Deformities
Development and Validation of an Automated Three-dimensional Cephalometry Method
This study is aimed to develop and assess the validity of an algorithm for automated three-dimensional cephalometry.
- Trial name
- AutoCEPH-3D (NCT04464252)
- Where
- France
- Volunteers
- 453 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Dentofacial Deformities, Sleep Disorder
Interaction Between Body Posture and Nocturnal Sleeping Disorders in Dysgnathic Patients
The role of head posture has been demonstrated in patient with dentofacial deformities. However, the relationship between body posture and jaw disorders is unclear.
- Conditions
- Dentofacial Deformities, Sleep Disorder, Posture
- Trial name
- NCT03532828
- Testing
- polysomnography
- Where
- France
- Volunteers
- 100 people
- Sponsor
- Laboratoire de Biomécanique Georges Charpak
Dentofacial Deformities, Dentofacial Anomalies [Including Malocclusion] and Other Disorders of Jaw (M26-M27)
Effect of Proximal Segment Positioning on Postoperative Condylar Remodeling in Bimaxillary Orthognathic Surgery
Bimaxillary orthognathic surgery is a surgical procedure that involves simultaneous corrections to both the maxilla (upper jaw) and mandible (lower jaw).
- Trial name
- NCT06897787
- Testing
- manuel positioning group, mandibular basis osteotomy
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Bezmialem Vakif University
Health-related Quality of Life, Dentofacial Deformities
Cross Cultural Adaptation and Validation of Orthognathic Quality of Life Questionnaire (OQLQ)
The aim of this study was to develop a Spanish version of the Orthognathic Quality of Life Questionnaire (OQLQ) that is conceptually equivalent to the original questionnaire, as well as acceptable, reliable, valid, and responsive…
- Trial name
- NCT04863170
- Testing
- orthognathic surgery
- Where
- Chile
- Volunteers
- 230 people, healthy volunteers welcome
- Sponsor
- Hospital Carlos Van Buren
Dentofacial Deformities, Analgesia
Effects of Local Ketamine in Orthognathic Procedures
Orthognathic surgery is performed to correct congenital, developmental, or trauma-related skeletal deformities of the maxilla and mandible.
- Conditions
- Dentofacial Deformities, Analgesia, Vomiting, Postoperative, Nausea, Postoperative
- Trial name
- NCT07066306
- Testing
- Ketamine, Articaine Hydrochloride + Epinephrine
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people
- Sponsor
- Bezmialem Vakif University
Orthognathic Surgery, Malocclusions
Evaluation of Emotional Responses Using the I-Motions System and Self-assessment Questionnaires, and Assessment of Postoperative Anatomical and Structural Units (TMJ and Masticatory Muscles) in Orthognathic Surgery Patients
Orthognathic surgery is a surgical procedure involving one or both jaws to correct skeletal discrepancies, restore proper occlusion, and improve facial aesthetics.
- Conditions
- Orthognathic Surgery, Malocclusions, Jaw Abnormalities, Dentofacial Deformities
- Trial name
- NCT07477873
- Testing
- Observational Assessment
- Where
- Lithuania
- Volunteers
- 100 people
- Sponsor
- Lithuanian University of Health Sciences
Dentofacial Deformities
Full-3D Computer-Assisted Workflow for the Diagnosis and Correction of Deformities? Dentofacial
"Dentofacial deformity refers to deviations from the norm of facial proportions and tooth ratios of such magnitude as to represent a disability." [1] These conditions afflicted two aspects of the patient's health: the first…
- Trial name
- NCT06806605
- Testing
- 3d analisys
- Where
- Italy
- Volunteers
- 50 people
- Sponsor
- IRCCS Azienda Ospedaliero-Universitaria di Bologna