The study focuses on non-growing patients presenting with dentofacial deformities who require corrective orthognathic surgery, particularly a Le Fort I osteotomy with maxillary advancement and/or impaction. This condition category encompasses severe bite issues such as Class II and Class III malocclusions, facial asymmetry, and midface hypoplasia Orthognathic Surgery , Le Fort I osteotomy, Dentofacial Deformities , Soft tissue changes
Conditions
Interventions
Conventional Le Fort I osteotomy (CLFIO) is performed by one surgeon in the Oral and Maxillofacial Surgery (OMFS) Department, Faculty of Dentistry, Chulalongkorn University. The maxilla is approached
Treatment,Treatment
Conventional Le Fort I osteotomy (CLFIO),Subspinal Le Fort I Osteotomy (SLFIO)
Sponsors
The Royal College of Dental Surgeons of Thailand
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Patients with ASA physical status class I or II 2. Patients with dentofacial deformities requiring orthognathic surgery treatment with Le Fort I osteotomy with maxillary advancement and/or impaction (without segmentation) and non-growing patients 3. Patients with no previous trauma at oral and maxillofacial region
Exclusion criteria
Exclusion criteria: 1. Patients with craniofacial syndrome such as cleft lip and palate 2. Patients with history of midfacial surgery such as rhinoplasty 3. Patients with history of any aesthetic procedure affecting nasolabial region 4. Patients with previous pathology in maxilla or mandible 5. Patients with previous orthognathic surgery
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Interalar Width at 3-4 weeks before surgery and 6 months after surgery The measurement is taken from static 3D facial scanner,Alar base width at 3-4 weeks before surgery and 6 months after surgery The measurement is taken from static 3D facial scanner ,Nasolabial angle at 3-4 weeks before surgery and 6 months after surgery The measurement is taken from static 3D facial scanner,Upper lip length at 3-4 weeks before surgery and 6 months after surgery The measurement is taken from static 3D facial scanner | — |
Secondary
| Measure | Time frame |
|---|---|
| Maxilla movement at 3-4 weeks before surgery and 6 months after surgery The measurement is taken from Cone-Beam Computed Tomography (CBCT) datasets analyzed in Dolphin Imaging software | — |
Countries
Thailand
Contacts
Public ContactChatchaya Petchphayaprai
Faculty of Dentistry, Chulalongkorn University
Outcome results
None listed