楔状缺损是牙体硬组织缺损常见病之一,一般多发生在壮年和老年人,以尖牙、双尖牙居多,损坏程度轻重不一,治疗充填时固位差,充填物色泽不理想。笔者近年来应用玻璃离子水门汀,在临床上根据材料粘接性好,色泽调和随意性较强,但具有一定的刺激性等特点,选择治疗年龄偏大的楔状缺损病例104例,(年青恒牙易受本材料的刺激)共125颗牙齿,经半年的复诊观察,取得了满意的效果。 Wedge-shaped defect is one of the most common dental hard tissue defects. It mostly occurs in the middle-aged and the elderly, mainly in canines and bicuspids. The degree of damage is variable, and the retention of the filling is poor and the color of the filling is not ideal. In recent years, the author applied glass ionomer cement, clinically based on good material adhesion, strong color tone arbitrarily, but has some irritation and other characteristics, choose to treat 104 cases of older age wedge-shaped defects, (young permanent teeth Vulnerable to the stimulation of this material) A total of 125 teeth, after six months of follow-up observation, and achieved satisfactory results.