... 观察 observe; watch; survey; obse ... 楔状缺损 wedge shaped defect; wedge-shaped defect; wedge-shaped ditch 牙楔状缺损 wedge defect of teeth; wedge-shaped defect of the tooth; wedge-shaped erosion of tooth; wedged defect of teeth ...
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wedge defect of teeth
牙齿楔形缺陷
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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。
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