方法：对8例下颌磨牙颊向或舌向倾斜错位的患者，采用简易半固定舌弓配合方丝弓矫治技术在矫治初期进行矫治。
METHODS: Using a simple semi-fixed lingual arch combined with the edgewise technology to correct 8 cases with linguoclination or buccoclination of the mandibular molars.
方法：对21例下颌骨角部和升支骨折患者，经口内切口联合颊部小切口穿刺复位内固定。
Methods 21 cases of mandibular angle and ramus fractures were treated by screwed miniplates placed through an intraoral incision with transbuccal mini-incision.
支架主体（1）的上端连接有 颊侧面固定翼（2），支架主体（1）的下端连接有下颌骨固定翼（3）。
The upper end of the bracket body (1) is connected with a cheek side fixed wing (2), and the lower end of the bracket body (1) is connected with a mandible fixed wing (3).
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