What is a midface advancement?
Background: Midface advancement is a keystone intervention in the treatment plan of syndromic hypoplasia of the midface. Although earlier authors had been using a combination of smaller incisions to acquire enough access to perform the different osteotomies, Tessier popularized the bicoronal incision.
What is a monobloc osteotomy?
It explains how to prepare your child for surgery as well as what to expect in hospital afterwards. Monobloc advancement is an operation to reshape the front portion of the skull and face including the upper jaw to correct an abnormal head shape.
What is monobloc distraction?
What is the difference between a Monobloc Classic and a Monobloc Distraction procedure? A Monobloc Distraction achieves the same result, but the bones of the face are moved slowly over several weeks. This is done by attaching a halo device to the patient’s head.
What causes flat midface?
Maxillary, zygomatic arch, and mandibular bones are dysplastic resulting in micrognathia and a flat midface. The temporomandibular joints are absent and the external ear canals are often incompletely formed.
What is LeFort 3 surgery?
LeFort 3 distraction is surgery to reposition the cheek bones, orbits and upper jaw. “Distraction” means the bones are moves slowly over several weeks, in order to achieve a larger movement and less relapse. LeFort 3 distraction can improve obstructive sleep apnea, and reduce exorbitism.
What is fronto orbital advancement?
Fronto-orbital advancement (FOA) is a surgical procedure that has been used to treat craniosynostosis for decades. The surgical goals of a Fronto-orbital advancement (FOA) are to expand the space inside the skull and to reshape the forehead and upper part of the eye socket (orbit).
What causes Midface deficiency?
As evident in the published literature, the two major causes of midface hypoplasia are premature cranial base synchondroses fusion and craniosynostosis—premature closure of the cranial vault sutures (17).
What is a midface Deficiency?
Midface hypoplasia describes a situation in which the upper jaw, cheekbones and eye sockets have not grown as much as the rest of the face. Because of this, the eyes can seem large, appearing bulgy or “bug-eyed.” Also, the upper teeth usually do not meet the lower teeth well and result in an “under bite” appearance.
What is midface hypoplasia?
How long does CVR surgery take?
The procedure generally takes approximately two to three hours. After surgery, your child will stay at the hospital for recovery and follow-up care.
What is Midface advancement with Le Fort II do?
Midface advancement using Le Fort II DO is commonly indicated in patients with midface hypoplasia involving the maxilla and nasal complex, with an acceptable position of the zygomatic complex and orbits. Those patients often will have an anterior cross bite, class III malocclusion, and obstructive sleep apnea.
When is conventional Advancement of the midface indicated for rhinoplasty?
The general rule of thumb is that conventional advancement of the midface is indicated in patients requiring less than 8 to 10 mm of advancement.
What are the phases of facial growth?
Facial growth occurs in two important phases. 30 The first phase consists of the first 6 to 7 years of life and is mostly dependent on growth of the brain, eyes, and nasal cartilage.