What is a sagittal split osteotomy?
A bilateral sagittal split osteotomy is a type of jaw surgery in which the lower jaw (mandible) is split bilaterally (moved forward or backward) to straighten it to a more balanced and functional position. It is performed to correct types of malocclusion, a misalignment of teeth.
What is osteotomy mandible segmental?
Mandibular anterior segmental subapical osteotomy (MASSO) is a surgical approach, which can be used to reposition incisor axis, improve occlusal function and enhance the soft tissue profile.
Does lower jaw surgery change face?
In some cases treatment is planned to improve your bite, with minimal change to your facial appearance, whilst in other cases, there will be more noticeable change to your facial appearance (for example if you have a prominent lower jaw, or a small setback lower jaw).
Why BSSO is done?
A bilateral sagittal split osteotomy (BSSO) is a surgery aimed at correcting a lower jawbone that is too short or too long. This procedure can improve functions such as biting or speaking, and can radically improve a person’s appearance.
Which is the following osteotomy is carried out for mandibular deformity?
Abstract. Sagittal split osteotomy (SSO) is a surgical technique largely employed for mandibular mobilizations in orthognatic procedures.
What does sagittal mean in medical terms?
Sagittal Plane (Lateral Plane) – A vertical plane running from front to back; divides the body or any of its parts into right and left sides.
How long does Lefort surgery take?
The length of surgery depends on upon the complexity of the case. Routine surgery on one jaw typically takes one to two hours. Surgery that involves multiple procedures may take as long as three to five hours.
What is a bilateral Sagittal Split Osteotomy?
English A Bilateral Sagittal Split Osteotomy (or BSSO) is a type of jaw surgery where the lower jaw is separated from the face and repositioned. This repositioning is also called orthognathic surgery. The virtual patient in the CIVA demonstration has a protruding jaw which will be set back using a BSSO.
What is the most common mandibular orthognathic procedure?
Mandibular sagittal split ramus osteotomy is the most common mandibular orthognathic procedure. This osteotomy technique originally was described by Trauner and Obwegeser in 1957.29 The bilateral sagittal split ramus osteotomy (BSSRO) can be used for mandibular advancement or setback, control of the occlusion, and position of the condyle.
How is the inferior alveolar nerve damaged during an osteotomy?
During sagittal split ramus osteotomies of the mandible, the inferior alveolar nerve can be directly damaged by a burr on a rotary drill, a blade on a reciprocating saw, or a chisel used to complete the split. The nerve can also be compressed during osteotomy stabilization (i.e., plate and screw fixation).
What is a hip osteotomy?
A hip osteotomy reshapes your hip socket (acetabulum) and/or head of your thighbone (femur head). This is your ball-and-socket hip joint. Your surgeon cuts, reshapes or partially removes bone tissue to realign the weight-bearing surfaces of the joint.
How long is LeFort surgery?
How is BSSO performed?
A Bilateral Sagittal Split Osteotomy (or BSSO) is a type of jaw surgery where the lower jaw is separated from the face and repositioned. This repositioning is also called orthognathic surgery.
How long does MMA surgery take?
Why is Maxillomandibular Advancement performed? This is a major surgery, lasting roughly 6 hours. The recovery process is most difficult during the first 4-6 weeks, during which social support is key. Most patients return to work after 1 month.