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.

How is a 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. This particular virtual patient has a protruding jaw which will be set back using a BSSO.

What is bad split?

Abstract. An unfavourable and unanticipated pattern of the bilateral sagittal split osteotomy (BSSO) is generally referred to as a ‘bad split’. Patient factors predictive of a bad split reported in the literature are controversial.

How long does a BSSO surgery take?

This procedure generally takes about 30 minutes to perform, and patients are usually able to return to work and other regular activities the next day.

Can a genioplasty be reversed?

Sliding genioplasty can be reversed, but not without huge risks of causing further damage to the surrounding soft tissues and bone. Patients should not undergo chin surgery unless they are looking for a permanent change.

Is genioplasty painful?

Many patients are pleasantly surprised to find out that genioplasty is not a particularly painful procedure. Your surgeon will prescribe the appropriate pain medication, as you will still experience discomfort in the days following surgery. Pain and swelling should completely dissipate over the course of a few weeks.

Can jaw surgery go wrong?

Risks of surgery may include: Blood loss. Infection. Nerve injury.

What is bilateral Sagittal Split Osteotomy?

The bilateral sagittal split osteotomy is an indispensable surgical procedure for the correction of mandibular deformities. Undertaking the correction of these deformities requires a thorough knowledge of the indications, technique, and complications of the sagittal split osteotomy.

What are the indications for a bilateral sagittal split?

Indications for a bilateral sagittal split include horizontal mandibular excess, deficiency, and/or asymmetry. It is the most commonly performed procedure for mandibular advancement and can also be utilized for a mandibular setback of small to moderate magnitude.

Do inferior border osteotomy injections increase the risk of unfavorable splits?

Conclusions: The occurrence of unfavorable splits is uncommon when using a modification of the SSO that includes an inferior border osteotomy. Although more unfavorable fractures occurred in teenage patients with third molars, this had no impact on the stability of the final result.