近年来 ,我们将“缝成冠”制作法改用无缝冠“剪缝锤造缩颈法” ,在实际临床应用中优于“缝成冠” ,效果满意。现报告如下。1　临床资料1 1　选好适应证1 2　方法预备基牙 ,制取印模 ,在石膏功能印模上以蜡添补 ,修正开缝后的邻接关系 ,并恢复原牙外形 ,灌制石膏牙代型 ;翻制铝 In recent years, we will “seam into the crown,” the production of law to use seamless crown “scissor hammer to make necking method”, in actual clinical application is better than “stitched crown”, the effect is satisfactory. The report is as follows. 1 Clinical data 1 1 selected indications 1 2 Methods Preparation of abutments, the preparation of impressions, wax gypsum imprinted on the function to amend the adjacent relationship after the opening and restore the shape of the original tooth, cast gypsum dental cast Flip aluminum