我科自1992年10月,用玻璃离子粘固粉充填楔形缺损873例,经2年观察随访,疗效满意,报告如下。1 材料与方法本文应用上海青浦齿科材料厂产的玻璃离子粘固粉。充填方法如下:检查患牙的牙位、缺损类型、有无变色、瘘道、病人有无酸甜冷热刺激痛,有无自发痛乃至咬(牙合)痛。(2)清理患牙颈部结石、食物残渣。(3)隔湿。(4)有75％酒精反复涂擦缺损面。(5)温风使缺损面干燥。(6)用玻璃离子粘固粉 Our department since October 1992, with glass ionomer cement filling 873 wedge-shaped defect, after 2 years of follow-up, the results were satisfactory, the report is as follows. 1 Materials and Methods In this paper, Shanghai Qingpu Dental Materials Factory production of glass ionomer cement. Filling methods are as follows: Check the teeth of the teeth, defect type, with or without discoloration, fistula, the patient whether the sweet and sour hot and cold pain, with or without spontaneous pain and bite (occlusion) pain. (2) to clear the neck of the affected teeth, food debris. (3) Moisture. (4) 75% alcohol repeatedly rubbed the defect surface. (5) warm wind to make the defect surface dry. (6) with glass ion cement