In the change of facial width,45.46%,54.55% and 18.18%/15.15% of fa-cial deformity probably account for zygomatic arch fracture,maxillary sagittal fracture and joint dislocation/condylar dis-placed fractures separately.

• 造成面宽畸形的骨折因素是:颧弓骨折、上颌骨矢状骨折、关节脱位/骨折。 其发生率分别为:45.；46%25、54