Clinical trials: Le Fort
Le Fort; I
3D Evaluation of Nasolabial Changes Following Classic Versus Modified Alar Base Suture After Le Fort I Osteotomy
Three dimensional evaluation of nasolabial changes following classic versus modified alar cinch suture after Le Fort I osteotomy using cone beam computed tomography
- Trial name
- NCT03636178
- Testing
- Classic alar base suture technique, Modified alar base suture technique
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Cairo University
Discoloration, Tooth
In Vivo Assessment of Natural Tooth Color After Orthognathic Surgery. A Pilot Controlled Clinical Trial
In six consecutive patients planned to receive combined orthodontic-orthognathic surgery natural tooth color on 8 incisors was measured before initiation of the combined treatment (Time Point 1- baseline) and after its completion…
- Trial name
- NCT03657498
- Testing
- Combined orthodontic-orthognathic treatment, Standard orthodontic treatment
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Aristotle University Of Thessaloniki
Maxillofacial Abnormalities
Does Subspinal Le Fort I Osteotomy Affect the Nasal Airway Volume
After the description of Le Fort fractures, maxillary osteotomies are used to correct dentofacial deformities. The profile changes on nasolabial region resulting from a Le Fort I osteotomy, also that affects nasal airway.
- Trial name
- NCT06281197
- Testing
- Conventional, Subspinal
- Where
- Turkey (Türkiye)
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- TC Erciyes University
Le Fort; I
Accuracy of LeFort I Osteotomy Fixation Using Two Plates Versus Four Plates Patient Specific Osteosynthesis
Virtual Surgical planning (VSP) has significantly improved many aspects of oral and maxillofacial surgery. A very important aspect is surgical accuracy and precise transfer of the surgical plan to the operating theatre and…
- Trial name
- NCT05908370
- Testing
- Maxillary orthognathic surgery using 4 patient specific osteosynthesis (4-Plates)
- Where
- Egypt
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Future University in Egypt
Orthognathic Surgery
Comparison Between Prebent Plates and Custom Plates After le Fort 1 in Orthognathic Surgery
patients with dentofacial deformities , who needs lefort 1 osteotomy to correct position of maxilla , are divided into two groups: one group receives custom titanium plates which is patient specific and the other group receives…
- Trial name
- customortho (NCT06188403)
- Testing
- Orthognathic surgery (lefort1)
- Where
- Egypt
- Volunteers
- 14 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
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
Pain, Postoperative, Numbness
Lidocaine Versus Bupivacaine in Orthognathic Surgery
In this research study, we want to learn more about the impact of two different local anesthetics (bupivacaine and lidocaine) on patient experience following orthognathic (jaw) surgery.
- Conditions
- Pain, Postoperative, Numbness, Temperature Sensation, Perception of Touch
- Trial name
- NCT06450028
- Testing
- 10 cc of 0.25% bupivacaine hydrochloride with 1:200,000 epinephrine, 6.8 cc of 2% lidocaine hydrochloride with 1:100,000 epinephrine
- Where
- United States
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Boston Children's Hospital
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
Le Fort, Pain, Postoperative
Anesthetic Optimization in Pediatric LeFort Surgeries
This study will propose and evaluate a standardized LeFort osteotomy anesthetic protocol for pediatric patients at Johns Hopkins Hospital.
- Trial name
- NCT05260320
- Testing
- Standardized Anesthetic Course from Premedication to Induction
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
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
Maxillofacial Deformity, Maxillofacial Abnormalities
a Comparative Analysis of Subspinal and Conventional Le Fort I Osteotomy on Nasolabial Soft Tissues
Following surgical operations, patients have aesthetic expectations as well as functional ones. To minimize undesirable aesthetic results after surgery and to increase the effectiveness of the surgery, the surgical method used…
- Conditions
- Maxillofacial Deformity, Maxillofacial Abnormalities, Maxillo-facial Surgery
- Trial name
- NCT07549659
- Testing
- conventional le fort I osteotomy type, subspinal le fort I osteotomy type
- Where
- Turkey (Türkiye)
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- TC Erciyes University
Orthognathic Surgery
Accuracy of Maxillary Two Customized 3D Titanium Miniplates Versus Four Customized 3D Miniplates
In this research the investigators aim to minimize the use of more hardware in the fixation of the orthognathic surgery cases. The objective of this study is to assess the accuracy of the plan transfer with two customized…
- Trial name
- NCT07418684
- Testing
- two customized titanium plates, four customized titanium plates
- Where
- 2 sites in Egypt
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Cairo University
Le Fort; I, Blood Loss
Impact of Different Instrument Modifications on Lateral Nasal Wall Osteotomy and Pterygomaxillary Separation in Le Fort I Surgery
The aim of this study is to investigate the effect of different instrument modifications on the customized osteotomy of the lateral nasal wall in Le Fort I surgery, focusing on the level of lateral nasal wall fractures and the…
- Trial name
- NCT06629935
- Testing
- orthognathic surgery
- Where
- Turkey (Türkiye)
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Bezmialem Vakif University
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
Maxilla; Hypoplasia
Transverse Maxillary Expansion With a Segmental Le Fort I Osteotomy or Surgically Assisted Rapid Maxillary Expansion (SARME)
To assess transverse dental and skeletal expansion and stability after SLFIO with no fixation of the palatal vault compared to stabilization of the palatal vault with an autogenous bone block graft or fixation of the palatal…
- Trial name
- NCT03511989
- Testing
- Bone borne distractor, Tooth borne distractor, Segmental LF1 Osteotomy group 1
- Where
- Denmark
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Aalborg University Hospital