Moreover, the proper evaluation and adequate management is necessary even after eight weeks, because healing of fracture was not completed. We expect zygomatic arches with different cross sectional shapes to vary in the degree to which they resist local bending and torsion due to the contraction of. CONCLUSION: The 3-D image is more useful to evaluate for fracture healing state. Additionally, fracture sites were healed by primary bone healing process in the zygomatic arch fracture malunion state. However, we could find to the definite changes of healing process by using the 3-D reconstructed image according to time sequence. RESULTS: The 2-D images were able to assess a difference in recovery process of a bone fracture, but it was too small to be recognized. We also analyzed the histological findings at same period. Using micro computerized tomography, we evaluated the defect of fracture site with serial weeks (1, 2, 4, and 8). MATERIALS AND METHOD: Ten rats with malunion after zygomatic arch fracture were used in this study. Above: Leonardo da Vinci, detail from Study of a horse and rider, Metalpoint, c.1481. Here is another study by Leonardo da Vinci showing the position and slope of the eye in relation to other structures on the head. This is a ridge of bone extending back from the eye. The purpose of this study was to evaluate the radiologic and histological changes of healing process on zygomatic arch fracture with malunion in animal model. The zygomatic arch is marked with a yellow arrow. BACKGROUND AND OBJECTIVES: Zygomatic arch fracture should be treated early, because failure of prompt treatment of these injuries November result in significant morbidity, including malar asymmetry, enopthalmos, and sensory deficits.
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