20 healthy patients under go bilateral sagittal split ramus osteotomy (BSSRO) at faculty of dentistry, Mahidol University, from January 2023 to July 2024 bilateral sagittal split ramus osteotomy, inferior alveolar nerve injury, Neurnseosory disturbance
Conditions
Interventions
the location of IAN from 1) distance from mandibular foramen to sigmoid notch 2) distance between buccal aspect of IAN to buccal cortical bone of mandible at the furcation of the first mandibular mola
Experimental Device,Experimental Device
Location of inferior alveolar nerve from cone-beam computed tomography ,Location of inferior alveolar nerve from panoramic film
Sponsors
Department of Oral and Maxillofacial Surgery
Eligibility
Sex/Gender
All
Age
18 Years to 34 Years
Inclusion criteria
Inclusion criteria: 1) Patients with skeletal class III deformity 2) Age ranges from 18 to 34 years old 3) ASA class I and II according to the American Society of Anesthesiologists
Exclusion criteria
Exclusion criteria: 1) Concomitant genioplasty, anterior subapical osteotomy or body osteotomy 2) History of neurological dysfunction due to IAN injury 3) Previous orthognathic surgery 4) Craniofacial syndromic condition with severe facial asymmetry 5) Pathologic condition of mandible 6) Patients with communication difficulties such as foreigner, blindness, deafness
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| recovery time of functional sensory recovery preoperatively, immediate post-operative, 1 month, 3 months, 6 months and 9 months objective asessment | — |
Secondary
| Measure | Time frame |
|---|---|
| subjective patient report in NSD preoperatively, immediate post-operative, 1 month, 3 months, 6 months and 9 months Visual Analogue Scale (VAS) | — |
Countries
Thailand
Contacts
Public ContactWarutta Kasemsarn
Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Mahidol University
Outcome results
None listed