3) extraction space
拔牙间隙
1.
Soft-and hard-tissue changes after extraction space closure with micro-screw implant
微螺钉种植支抗关闭拔牙间隙后软硬组织的变化
2.
The diameters of the post extraction spaces and curvature of spee\'s curve measured at the time of 4 months after the first premolar\'s extraction were compared with that mea-sured at the time of 30 minutes after the first premolar\'s extraction.
分别测量两组病例拔牙后30min、4个月时拔牙间隙近、远中方向最小径,比较分析两者拔牙间隙变化情况和Spee\'s曲线曲度。
4) space closure of first molar
磨牙间隙关闭
6) closing space
关闭间隙
补充资料：关闭
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