SSRO and IVRO have different areas for resecting bone segments and different muscles attached to each bone segment. In addition, as mentioned in the table above, because the mechanism of bone healing of segments is different, the postoperative fixation method is different, which leads to differences in the postoperative care. The following is a summary of the differences in the post-operative care method for each technique, and even in the case of surgery-first approach, the same principles and procedures are accompanied for post-operative care for each technique.