Zingg A zygomatic maxillary fracture
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) Maxillofacial CT confirms unilateral zygomatic maxillary fracture of patients with fracture line crossing infraorbital foramen and compression of infraorbital nerve; 2) Maxillofacial CT shows no obvious displacement of zygomatic-maxillary complex and the fracture is in accordance with Zingg A zygomatic maxillary fracture; 3) The main clinical manifestation of patients is infraorbital nerve dysfunction, with no obvious facial deformity, restriction of mouth opening or diplopia; 4) The time after injury is between 7 days and 30 days, and no obvious recovery of numbness could be observed during this period.
Exclusion criteria
Exclusion criteria: 1) Patients with brain injuries; 2) Patients with fractures of other craniofacial bones; 3) Patients with facial deformity, restriction of mouth opening or diplopia; 4) Patients who have history of craniofacial injuries or received craniofacial surgeries before; 5) Patients with severe hypertension, diabetes, heart disease or other diseases which fall in contraindications to surgery; 6) Patients who have history of drug allergy; 7) Patients who show recovery of numbness during waiting for treatment; 8) Patients with history of numbness of infraorbital area before.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Asymmetry index;Asymmetry index; | — |
Secondary
| Measure | Time frame |
|---|---|
| Recovery time of the sensory function of infraorbital nerve;Hospitalization costs; | — |
Countries
China
Contacts
Shanghai Ninth People's Hospital, Shanghai Jiaotong University, School of Medicine