While planning orthognathic surgery, firstly, the measurements of the patient's upper and lower jaws are taken. According to these measurements, the chin is modeled with plaster and examined in all its details. It is then analyzed with conventional x-rays or three-dimensional imaging systems such as the lower and upper jaw bones, jaw joints, panoramic and cephalometric. At the end of all these evaluations, the surgical procedures to be applied to the patient are decided.

Orthognathic surgery has many advantages regarding the correction of defective jaw structures. First of all, the patient's problems such as chewing, speaking and eating are resolved. If there are problems with breathing and exhalation, improvement is also seen. The patient has a more aesthetic and symmetrical appearance than before. It shortens the duration of orthodontic treatment and more permanent results are obtained in this short time. In addition, since this surgery will be done through the mouth, there are no situations that will create aesthetic problems such as scars. As a result of all these, the patient feels better psychologically, his self-confidence increases, and this increases his quality of life.

As with any surgery, this surgery has risks. However, it does not have a very common and frequently encountered side effect or disadvantage. If the surgery is performed properly by specialists, no problem is encountered. Therefore, it has very few disadvantages.

During the pre-surgical orthodontic treatment, which will usually last 6-18 months, a normal orthodontic treatment is performed by placing the teeth with brackets. At the end of this period, it is time for the jaw operation. The patient is taken into surgery without removing the wires from the mouth. In such cases, the orthodontist and plastic surgeon work together. Such jaw surgeries are performed in a full-fledged hospital and under general anesthesia. With this technique, patients can be treated simultaneously in the jaw tip, lower jaw and upper jaw or all at once.
offers.

Post-operative care is very important. In the first days, nutrition is with liquid foods. Usually, liquid-soft diet continues for the first two weeks. The patient uses the chewing function gradually only at the end of the second week. After the operation, orthodontic treatment is continued to fix both the positions of the jaws and the positions of the teeth. Wire treatment takes about 6-12 months. At the end of this period, the brackets are removed and the treatment is terminated.

At the end of the treatment, patients gain a more aesthetic appearance than before the surgery, while speaking and
their chewing gets better. Thus, while the patient experiences an increase in his quality of life, his breathing, if any,
problems are also eliminated.

• Antibiotic treatment is given after surgery as a preventive measure.
• Painkillers and muscle relaxants should be used for pain that may occur.
• Liquid foods should be consumed in the first weeks. Then switch to soft foods.
• The first dressings are removed in 3-4 days and the stitches can be removed.
• Patients can return to their normal life a week after only the lower jaw operation.

The three most commonly used and well-known methods in orthognathic surgery are; The genioplast method applied in the treatment of jaw tip disorders, the Lefort surgery used for upper jaw disorders, and sagittal split surgery, which is the method used for lower jaw disorders.