桩冠即为用金属桩伸入真牙基牙根管内而固位的整体人造冠。一般适用于前牙。笔者于１９９６年至１９９８年３年中，对５４例双尖牙牙根采用金属塑料桩冠修复作了尝试，获得了成功。报告如下：临床资料适应证：原则上与一般前牙桩冠要求相同。牙体制备：分根面制备与根管制... The pile crown is the integral artificial crown which is inserted into the root canal of a true tooth root canal with a metal post and retained. Generally applicable to the front teeth. I author from 1996 to 1998 in three years, 54 cases of bicuspid tooth root metal plastic postal crown made an attempt to obtain success. The report is as follows: Clinical data Indications: In principle, with the same requirements of the general anterior teeth crowns. Tooth preparation: sub-root preparation and root canal control ...