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ID
Source
Brief title
Health condition
sagittal split osteotomy
orthognathic surgery
SSO
bad split
alveolar nerve injury
letsel of the nervus alveolaris inferior
orthognathe chirurgie
sagittale splijttingsosteotomie
Sponsors and support
Intervention
Outcome measures
Primary outcome
Torque force needed to fracture the mandible by sagittal splitting osteotomy.
Secondary outcome
Fracture pattern of the mandible
Postoperative sensibility of the inferior alveolar nerve
Study objective
The hypothesis of this study is that less torque force is necessary to achieve a complete sagittal split when using the Obwegeser Dal Pont technique with a well- defined inferior border osteotomy compared to the un-modified technique.
Study design
At time of surgery: measurements of torque forces
One day after surgery: X-ray control and classification of the mandibular fracture type
Six months after surgery: neurological examination of the inferior alveolar nerve (2 point discrimination, cold/warm, Semmes-Weinman test)
Intervention
This study uses the traditional technique by Obwegeser on one side of the mandible and the same technique with an additional inferior border osteotomy on the contra-lateral side (split mouth model)
Saskia van Aerssen- Lardenoije
Maastricht 6229 HX
The Netherlands
Tel: +31433872010
E-mail: secr.mka@mumc.nl
Saskia van Aerssen- Lardenoije
Maastricht 6229 HX
The Netherlands
Tel: +31433872010
E-mail: secr.mka@mumc.nl
Inclusion criteria
18-50 years old
Skeletal occlusion Angle class II or III needed a surgical correction by sagittal split osteotomy.
Exclusion criteria
Contraindications for general anaesthesia
Treated with bisphosphonates
Uncontrolled diabetes
Pregnancy
Infection
High risk of bleeding
Revision surgery
Patients under guardianship
Syndromal patients such as patients with e.g. Apert syndrome, Crouzon syndrome, hemifacial microsomia, Goldenhaar syndrome, fibrous dysplasia
Design
Recruitment
Followed up by the following (possibly more current) registration
Other (possibly less up-to-date) registrations in this register
No registrations found.
In other registers
Register | ID |
---|---|
NTR-new | NL5827 |
NTR-old | NTR5982 |
CCMO | NL54299.068.15 |
OMON | NL-OMON47651 |