Causes 1. 2. 3. 4. 5. 6. Car accident Sports injury Domestic violence, child or elder abuse Blunt trauma Fall Gunshot
______ Fractures
_______ Zygomatic Arches
Isolated Zygomatic Arch Fractures
Where is the fracture?
Name this fracture:
Name this fracture:
Name this fracture:
Common Projections for Zygomatic Arches • SMV • Tangential: oblique inferosuperior • Modified Towne: AP Axial
1. Positioning: • ________ 2. Lines and planes: • _______________ 3. CR: • _______________ SMV for Zygomatic Arches
1. Zygomatic arches free from overlying structures 2. No rotation as indicated by symmetric arches w/o foreshortening 3. Mandibular symphysis SI frontal bone SMV Radiograph Zygomatic Arches
1. No overlap of zygomatic arches by mandible 2. No rotation as evident by symmetric arches 3. Arches projected lateral to mandibular rami Modified Towne Zygomatic Arches