Which complication can result from a Zygoma fracture?
Malunion is the most common complication of zygomatic fractures and is the result of improper reduction and fixation, resulting in malocclusion, facial asymmetry, and enophthalmos. Extraocular muscle entrapment, although usually attributable to the initial fractures, also can occur secondary to fracture repair.
How is a zygomatic fracture treated?
Surgical intervention is an effective treatment modality of depressed zygomatic complex fractures, whereas a nonsurgical approach is often used for nondisplaced fractures. Most zygomatic complex fractures can be treated solely by an intraoral approach and rigid fixation at the zygomaticomaxillary buttress.
What happens when you fracture your zygomatic bone?
Fractures of the ZMC or zygomatic arch can often lead to unsightly malar depression, which should be corrected to restore a normal facial contour. ZMC fractures can also cause significant functional issues, including trismus, enophthalmos and/or diplopia, and paresthesias of the infraorbital nerve.
How is a zygomatic fracture diagnosed?
ZMC fractures can be diagnosed based on history of ocular trauma and by radiologic confirmation, most commonly a non contrast maxillofacial CT scan. Other associated facial fractures occur in ~25% of patients who sustain ZMC fractures. Step-offs around the zygomatic arch are strong clinical indicators for ZMC fracture.
What is the maximum time that a facial wound closure can be extended?
It appears that wounds of the face and scalp can be primarily closed whenever they are seen, as long as infection is not already present. There are significant data that primary closure of other wounds can be safely done up to a maximum of 19 hours after the wound.
How long does it take for a zygomatic bone to heal?
Cheekbone fractures rarely get infected, so you will not usually need antibiotics. Swelling and bruising can be reduced by using cold packs and sleeping propped up for the first few days. Even if you have plates and screws to hold your cheekbone in place, it still takes about six weeks for the bone to heal completely.
What is a zygomaticomaxillary fracture?
Zygomaticomaxillary Complex (ZMC) fractures result from blunt trauma to the periorbital area (viz. malar eminence). ZMC fractures are also referred to as tripod, trimalar, tetrapod, quadripod, or malar fractures.
Where is zygomaticomaxillary located?
These complexes are referred to as the zygomaticomaxillary complex. The upper and transverse maxillary bone has the zygomaticomaxillary and zygomaticotemporal sutures, while the lateral and vertical maxillary bone has the zygomaticomaxillary and frontozygomatic sutures.
What is the most commonly fractured facial bone?
Nasal bones (broken nose): Nasal bone fractures are the most common type of facial fracture. The nasal bone is made up of two thin bones. It takes less force to break the nasal bones than other facial bones because they are thin and prominent.
How late after injury can you suture?
Noninfected wounds caused by clean objects may undergo primary closure up to 18 hours after injury. Head wounds may be repaired up to 24 hours after injury.
What is the aetiology of zygomatic fractures?
A retrospective study of zygomatic fractures is presented in order to analyse late complications and to evaluate the different radiographic classifications. The study comprises 109 patients with 111 zygomatic fractures. The aetiology was violence in 39% and traffic accidents in 28%.
What are the treatment options for zygomatic arch fractures?
The management of the zygomatic arch and ZMC fractures should be patient-specific but range from simple observation to open reduction with internal fixation (ORIF). NCBI
When should the zygomatic arch be plated?
If one plans to plate the zygomatic arch from the outset, it can often be plated first to ensure adequate projection of the ZMC. If concomitant repair of the orbital floor is necessary, it should take place after the zygoma has had a reduction performed.
What are the sutures of the zygomatic arch?
Zygomaticotemporal (ZT) suture – The temporal process of the zygoma articulates with the zygomatic process of the temporal bone to form the anterolaterally projected zygomatic arch (ZA) Zygomaticomaxillary (ZM) suture and the infraorbital rim (IOR) Zygomaticofrontal (ZF) suture Zygomaticosphenoidal (ZS) suture