AIM:Different fracture bone defects are established on zygomatic arch of New Zealand rabbits to obtain the critical size fracture defect(CSFD)of the zygomatic arch.

• 目的:在新西兰白兔颧弓上制备不同的骨折骨缺损,以求得兔颧弓骨折骨缺损植骨临界值。