Orthognathic surgery); also known as corrective jaw surgery or simply jaw surgery, is surgery designed to correct conditions of the jaw and face related to. Faculty of Dental Medicine Al-Azhar UniversityOrthognathic surgery is the Bilateral sagittal split osteotomy (BSSO) has a wide range of. Mandibular osteotomies in Orthognathic Surgery Mandibular Recently good stability after BSSO is also shown by polylactate bone plates and.

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When a chin is weak, misaligned or disproportionate to the rest of the face, a genioplasty may be performed. This procedure is commonly used to enhance the results of a jaw lengthening procedure or to improve facial balance following a nose surgery. It is most frequently attributable to prolonged immobility that results in fibrosis and atrophy of the muscle and connective tissue of the masticatory system.

Orthognathic surgery involves correcting jaws that do not meet correctly, or teeth that do not align properly. MonsonMD 1. The Cleft Palate-Craniofacial Journal. When the midface has a deformity, this procedure may be performed. Lower Jaw Surgery also addresses aesthetic concerns stemming from your small lower jaw.

The bilateral sagittal split osteotomy is an indispensable tool in the correction of dentofacial abnormalities. Once the segments are fixated, check the occlusion to ensure that surgdry is satisfactory.

Numerous cephalometric analyses exist, each emphasizing particular skeletal and dental elements. Then, a chisel is inserted into the pre existing cuts and tapped gently in all areas to split the mandible of the left and right side. Lastly, if screws surrgery inserted in the jaw, bone will typically grow over them during the two to three month healing period.


Surgical correction of dentofacial deformities.

Orthognathic surgery – Wikipedia

Surgrey range from micrognathiawhich is when the mandible doesn’t grow far forward enough over biteand when the mandible grows too much, causing an under bite; all of which are uncomfortable.

Your teeth may need to be orthodontically aligned before undergoing Lower Jaw Surgery.

All orthognathic patients should be seen on a weekly basis following surgery if any signs of malocclusion develop and elastics adjusted appropriately to ensure healing in the proper occlusion. The surgery might involve one jaw or both jaws cuncurrently. Now the mandible is placed in its desired position with the aid of the surgdry splint and any intervening bone is removed if performing a mandibular setback.

During this surgery, the upper jaw, as well as some of the facial bone, is repositioned. The most common of the LeFort procedures, this procedure corrects problems such as a “gummy” smile, long face or overbite by repositioning the upper jaw.

This allows you to visualise the outcome of your surgical procedure before you decide to proceed with treatment. The main goals of orthognathic surgery are to achieve a correct bite, an aesthetic face, and an enlarged airway. Relationship between mandible and maxilla.

Bilateral Sagittal Split Osteotomy

Hullihen and the origin of orthognathic surgery. This procedure is used for the advancement movement forward or retraction movement backwards of the chin.


Weight loss due to lack of appetite and the liquid diet is common. All of the cuts are then checked to ensure that they are complete through the cortex and down to cancellous bone.

Orthognathic Surgery

Prior to surgery, surgeons should take x-rays of the patient’s jaw to determine the deformityand to make a plan of procedures. Cochrane Database of Systematic Reviews.

This procedure is intended for patients with an upper jaw deformity, or with an open bite. It is the most commonly performed procedure for mandibular advancement and can also be utilized for a mandibular setback of small to moderate magnitude. M Lacy and Dr. Standardized photos are required not only for documentation vsso photometric analysis, but for evaluation of outcomes as well.

American Bssoo of Oral and Maxillofacial Surgeons. This procedure is quite similar to a LeFort II osteotomy, except more facial bone has to be repositioned.

Journal of Cranio-Maxillofacial Surgery. First, incisions are made from the first bicuspid to the first bicuspidexposing the mandible. Orthognathic surgery allows bss the repositioning of teeth and facial bones to create a jaw that works and functions properly, and has a more balanced appearance.

Once the teeth are aligned, the patient is ready for the BSSO.