Objective to explore the better material for restoring wedge shaped defect.
目的探讨修复楔形缺损较好的材料。
Conclusion the gingival recession and the wedge shaped defect are common dental diseases in the elderly.
结论牙龈退缩与楔状缺损是中老年人常见的牙病。
Objective to investigate the incidence of the gingival recession and the wedge shaped defect in elderly population and relative factors.
目的探讨中老年人牙龈退缩和楔状缺损的发生率和相关因素。
OBJECTIVE: To evaluate the clinical efficacy of the "open sandwich" with flowable composite technique in wedge-shaped defect restoration.
目的：本实验评价流动树脂开放式夹层技术充填楔状缺损的临床有效性。
AIM: To compare the effect of glasionomer cement FX material with that of light-cured composite resin material in treating wedge-shaped defect.
目的：比较FX玻璃离子和光固化复合树脂治疗牙颈部楔状缺损的疗效。
ObjectiveTo investigate the effects of securing longitudinal-socket-transverse fissure(LSTF) fixtures on wedge-shaped defect(WSD) rehabilitation.
目的观察纵槽横沟固位形修复楔状缺损的效果。
Objective to explore a better material for restoring wedge-shaped defect.
目的：探讨修复楔形缺损较好的材料。
Wedge-shaped defect is an abrasion that caused by long-term abrasion in tooth cervical.
牙楔状缺损是牙颈部硬组织缓慢磨耗所致的缺损，由于这种缺损常呈楔形而得名。
Methods: 76 old people of 218 premolar teeth with wedge-shaped defect were divided into two groups randomly: the teeth were prepared in the first group but not in the second group.
方法：选择相邻的前磨牙楔状缺损患者76例218颗患牙，随机分为2组，第一组修复前预备洞型；第二组修复前不预备洞型。
Objective:To compare the effect of FL-Bond adhesive system with that of total etching adhesive system, that in treating wedge-shaped defect with light cured composite resin.
结论表明自酸蚀粘接系统的复合树脂修复牙体楔状缺损与全酸蚀粘接系统相比，具有固位性好、边缘封闭性强、对牙髓刺激小、成功率高等优点。
Objective:To compare the effect of FL-Bond adhesive system with that of total etching adhesive system, that in treating wedge-shaped defect with light cured composite resin.
结论表明自酸蚀粘接系统的复合树脂修复牙体楔状缺损与全酸蚀粘接系统相比，具有固位性好、边缘封闭性强、对牙髓刺激小、成功率高等优点。
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