作者：侯铁舟 西安医科大学口腔医学院口腔内科副主任，本刊编辑；(西安 71 0004) 陶洪 第一临床医学院

    摘 要 目的：观察夹心板修复体恢复牙齿形态功能与维护牙龈健康 的效果。 方法：使用夹心板技术修复龈下缺损，观察修复体边缘缺损、牙龈变化。 结果 ：18个月后夹心板修复体表面形态完整无边缘缺损，玻璃离子复合体与复合树脂结合牢固无 松动，牙龈组织状况明显优于对照组。 结论：夹心板修复体维护牙龈组织，保持牙龈美观 的作用明显优于复合树脂修复体。

    关键词 夹心板技术 玻璃离子 牙龈 美学

    THE CLINICAL OBSERVATION ON THE AESTHETICS EFFECT OF SANDWICH RESTORATION ON LABIAL SURFACE OF UPPER FRONT TEETH

    Hou Tiezhou Tao Hong

    Stomatolog:c Hospital Xian Medical Univesity

    Abstract Objective: To investigate effect of sandwich res toration on repairing tooth deface and preserving the gingival. Methods: The s andwich technique was used to repairing the defect under the gingival and observ ing the integrality of the restoration as well as appearance of the gingival. R esults: The clinical observation showed that after 18 months the sandwich resto ration was still fit on tooth surface with a perfectly surface and its glass-ion omer combined with the resin tightly.The appearance of ginival in sandwich group showed significant healthy than its controls. Conclusion: The sandwich restora tion is better than composite resin in maintain the health and aesthetic aspect of gingival in upper front tooth. ......