Because this case broken collar bones, so we choose to insert the mounting screw (odontoid screw) for neck bones by surgical wound model, smaller and shoot through cracks on the screw with the Fluoroscope, which help to tell direction by some chance not to put this screw up, because you can put the screw only one tiny screw mounting bracket, but if the phankraduk as well, it will result in no subsequent treatments. Because this kind of surgery is safe and fast. Patients are not traumatized.
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