直丝弓
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Straight Arch wire Techniques 直丝弓矫治技术
Straight Arch Wire Technique 直丝弓矫治技术
The placement of the incisor teeth bracket was in the middle of the clinical crown, and retention arch wire was straight wire without step bends.
其最大特点是既反映大多数牙的临床牙冠中点，又对某些牙位托槽位置进行了调整，实现了无弓丝弯曲的直丝弓矫治目的。
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