Histological tests : The tabular bone and marrow cavity can be seen in the normal skull structures .

组织学检查：正常颅骨结构可见 板 状 骨和骨髓腔。

Aim : To observe the guided bone regeneration ( GBR ) in the tabular bone of palate and explore the possibility of repairing of bone defects in cleft palate by GBR .

目的：观察腭部 扁平 骨引导性骨再生现象（GBR），探讨利用GBR修复腭裂骨缺损的可能性。