Clinical trials: Le Fort
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
Quality of Life
Three Dimensional Evaluation of Nasolabial Changes Following Classic vs Without Alar Base Suture After Le Fort I Osteotomy
Three dimensional evaluation of nasolabial changes following classic vs without alar base suture after Le Fort I osteotomy A randomized controlled clinical trial
- Trial name
- NCT04021836
- Testing
- 3d evaluation of nasolabial change
- Volunteers
- 20 people
- 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
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
Cleft Lip and Palate, Le Fort
One-Piece Le Fort I Osteotomy Versus Segmental Le Fort I Osteotomy
Le Fort I osteotomy is often used in orthognathic surgery for patients to solve midface retrusion. It is known that post-surgical stability of Le Fort I osteotomy can be influenced by single jaw or bimaxillary procedures…
- Trial name
- NCT01871623
- Testing
- Segmental Le Fort I osteotomy, One-piece Le Fort I Osteotomy
- Where
- Taiwan
- Volunteers
- 60 people
- Sponsor
- Chang Gung Memorial Hospital
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
Jaw Abnormalities
A Modified Minimally Invasive Approach Towards Le Fort I Osteotomy: a Prospective Study
Nowadays, maxillary Le Fort I osteotomy is a safe and routinely performed procedure. The conventional approach is characterized by a vestibular incision extending from molar-to-molar, associated with a pterygomaxillary…
- Trial name
- MILF-I (NCT02660216)
- Where
- Belgium
- Volunteers
- 20 people
- Sponsor
- AZ Sint-Jan AV
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
Malocclusion
Finite Element Modelling of Le Fort I Osteotomy Fixation : PSI vs Miniplates
This study aimed to evaluate the biomechanical performance of patient-specific versus conventional fixation for Le Fort I osteotomy using subject-specific finite element models derived from real surgical plans.
- Trial name
- NCT07365657
- Testing
- In silico orthognathic surgery with customized implants digital only on 3D scanners
- Where
- France
- Volunteers
- 2 people
- Sponsor
- Centre Hospitalier Universitaire de Nice
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
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
Malocclusion, Open Bite
Effect of Customized Lateral Nasal Wall Osteotomy on the Pterygomaxillary Separation During le Fort I Down-fracture
The goal of this clinical trial is to show the effect of patient specific lateral nasal wall osteotomy to the pterygomaxillary separation during Le Fort I down-fracture. Participants will be divided into two treatment groups.
- Conditions
- Malocclusion, Open Bite, Le Fort; I, Orthognathic Surgery
- Trial name
- NCT06233188
- Testing
- orthogantic surgery
- Where
- Turkey (Türkiye)
- Volunteers
- 43 people
- Sponsor
- Bezmialem Vakif 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
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
Surgical Procedure, Unspecified
Functional Nasal Surgery at the Time of Le Fort I Osteotomy: A Prospective, Single-blind, Randomized Trial
Objectives: The aims of this study are (1) to define the effectiveness of functional nasal surgery during Le Fort I osteotomy on nasal obstruction through objective as well as subjective evaluations, (2) to determine guideline…
- Trial name
- NCT01883687
- Testing
- Septoplasty
- Where
- Taiwan
- Volunteers
- 80 people
- Sponsor
- Chang Gung Memorial Hospital
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
Computer-Aided Design/Manufacturing for Le Fort I Osteotomy and 3D-customized Titanium Plate in Orthognathic Surgery
Background: In orthognathic surgery, virtual planning is gradually taking over in clinical practice. To start with, virtual surgery planning (VSP) is believed to be less time-consuming and less expensive than conventional surgery…
- Trial name
- NCT06317012
- Testing
- Le Fort I osteotomy using CAD CAM surgical guide and 3Dcustomized plate
- Where
- Egypt
- Volunteers
- 8 people
- Sponsor
- Hams Hamed Abdelrahman
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
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
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