Jaw SurgeryJawOrthodontics

Orthognathic jaw surgery

Orthognathic jaw surgery

Jaw surgery, also known as Orthognathic jaw surgery, is a procedure that helps align your upper and lower jaws (mandible). If your jaws do not line up properly, it can affect your bite and make it difficult to eat and speak.

Orthognathic (“ortho nathic”) surgery is a series of procedures. It is a process that includes orthodontic treatment to prepare your teeth for jaw surgery, surgery, recovery, and additional orthodontic treatment for up to a year after surgery. Overall, the jaw surgery procedure can take two to three years.

How do people get jaw bone issues?

Jaw bone problems can be congenital (present at birth) or caused later in life by injuries or other medical conditions that affect your jaw.

What are some examples of congenital jaw issues?

Congenital jaw problems can be individual issues, such as an overbite, or they can be related to a larger medical condition, such as Treacher Collins syndrome. Here are a few more examples of congenital jaw issues.

Bite on the cross. This occurs when some of your lower teeth protrude in front of your upper teeth.
Bite under.
Bite open. When you close your mouth, many teeth do not come together, resulting in an open bite.
Lip and palate deformity When your face and mouth do not develop normally, you have cleft palate.
Sequence of Pierre Robin. Children with the Pierre Robin sequence frequently have small lower jaws, making it difficult for infants to eat or breathe.


What are some examples of injuries or medical conditions that cause jaw problems?


Fractures of the face Jaw fractures can occur in either your lower or upper jaw (mandible) (maxilla). Being hit or punched by an object can break your lower jaw. You can break your upper jaw if you fall, are in a car accident, or are hit.
Tumors and cysts To treat radiation exposure, healthcare providers may also perform jaw surgery.
Obstructive sleep apnea (OSA) (OSA). OSA occurs when your airway muscles, tonsils, tongue, or excess tissue obstruct your airway, causing your breathing to stop and start while you sleep. OSA is treated with maxillomandibular advancement surgery (MMA).
Disorders of the temporal mandibular joint (TMJ). An improper bite, which occurs when your upper and lower teeth do not line up, can cause TMJ.
Disruptions to growth This refers to changes in your jaw caused by an excess of growth hormone in your body. Excess hormone causes your tissues to grow abnormally large, including your upper and/or lower jaw.

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