Corrective Jaw Surgery (Orthognathic Surgery)
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Orthognathic surgery refers to the surgical correction needed to fix substantial abnormalities of the maxilla (upper jaw), the mandible (lower jaw), or both. The abnormality may be a birth defect, a growth defect, or the result of traumatic injuries to the jaw area.
Orthognathic surgery is generally performed by an Oral and Maxillofacial Surgeon to correct malocclusion (bad bite) in cases where routine orthodontic treatment has not or will not be effective. Orthognathic surgeries include the reconstruction of the mandible or maxilla, mandibular ramus, maxilla osteotomy, and mandibular osteotomy.
There are several classifications of malocclusion (the improper coming together of teeth) which may require orthognathic surgery:
Class I Occlusion–This malocclusion means that the lower anterior incisors sit directly behind the upper anterior incisors when the patient bites down. This is considered less destructive than Class II and Class III malocclusions.
Class II Malocclusion–This is identified when the lower anterior incisors lie significantly behind the upper anterior incisors during the biting process; in some cases hitting the soft tissue behind the upper incisors. This is commonly referred to as an overbite and can cause discomfort, bone damage, excessive wear of the front teeth, and tooth loss.
Class III Malocclusion–This is commonly known as an underbite and occurs when the lower anterior incisors and lower jaw are positioned beyond the upper teeth, making the lower jaw much more prominent than the upper jaw.
Reasons for Orthognathic Surgery
The malocclusion of the teeth can create greatly destructive forces among the five powerful muscles that control the closing and opening of the jaw. These muscles generate a tremendous force when clenching, grinding or chewing. Misalignment can seriously damage the function and aesthetic appearance of the teeth in many ways if left untreated, such as:
Tooth Wear – In the case of an overbite, the pressure and wear on the teeth is not spread evenly. This can also lead to TMJ, migraine headaches, and tooth loss.
- Bone Grafting
- Corrective Jaw Surgery (Orthognathic Surgery)
- Dental Emergencies
- Dental Extractions
- Dental Implants
- Facial Trauma Reconstruction
- Impacted Canines
- Mini Dental Implants
- Oral Cancer Exam
- Oral Pathology
- Panoramic X-Rays
- Ridge Modification
- Sedation Dentistry
- Sinus Augmentation
- Sleep Apnea
- Sleep Apnea Appliances
- Soft Tissue Grafting
- TMJ (Tempro-Mandibular Joint Dysfunction)
- Wisdom Teeth Extractions