图1  齿槽嵴裂植骨术前上颌体腔X线片   可见骨缺损区域  图2 齿槽嵴裂相骨术后3年一颌体腔X线片   在原骨缺损区域未见植入骨影像,临床分级为0级  图3   齿槽嵴裂相骨术前上颌体腔X线片  或见骨缺损区域  图4 齿槽嵴裂植骨术后3年上颌体腔X线片  片健侧高度几乎相同,临床分级为1.1级   图5  双侧齿槽嵴裂植骨术前上颌体腔X线片   可见双侧骨缺损区域  图6  双侧齿槽嵴裂相骨术后4年上颌体腔X线片   双侧均可见杆入骨影像,左侧植入骨高度大于邻牙牙根1/2,为临床分级1.2级;右侧植入骨仅为一骨桥,临床分级为1.3级,需重新进行齿槽嵴裂修复术

作者单位：100081 北京医科大学口腔医学院

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