作者在12个患者的33颗恒磨牙上,以喷水涡轮牙钻制备I类洞25个,Ⅱ类洞8个,作45°洞斜面,Dycal垫牙本质面,磷酸蚀刻,涂粘接剂,光固化后牙树脂Ful—Fil修复。直接和间接评价了修复后牙5年和8年的临床效果.结果表明5年和8年,色泽相合为16%和31%,边缘变色65%和62%,洞缘变色24%和54%,轴面轮廓完好100%和100%,解剖形态完好81%和65%,Ⅱ类洞修复物与邻牙紧密接触为56%和33%,点接触45%和 On 33 permanent molars of 12 patients, 25 Class I holes and 8 Class II holes were drilled with water jet turbine drills. The 45 ° chamfer, Dycal pad dentin surface, phosphoric acid etching and adhesive coating , Light-cured posterior teeth resin Ful-Fil repair. The clinical effects of 5 and 8 years after the restoration of the posterior teeth were evaluated directly and indirectly.The results showed that the color consistency was 16% and 31% at 5 and 8 years, the edge discoloration was 65% and 62%, the edge margin discoloration was 24% and 54% , With 100% and 100% axial contouring, 81% and 65% anatomical integrity, 56% and 33% contact with the adjacent teeth and 45% point contact with the adjacent teeth