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1·OBJECTIVES To investigate the effect of dental nursing on the treatment of deciduous crossbite with removable appliance.

目的探讨合垫舌簧矫治器在矫治乳牙反过程中的口腔护理及其效果。

2·The purpose of a removable appliance used with fixed appliance is to eliminate occlusal interference, reduce the falling chances of bracket from teeth and cut down the period of treatment.

在固定矫治技术中配合使用活动矫治装置是为了消除干扰，减少锁槽脱落，缩短疗程。

3·A removable dental appliance fabricated of wire and plastic that is worn in the palate and used as a diagnostic or therapeutic aid in orthodontics or prosthodontics.

咬合托一种可移动牙科器具，由金属丝和塑料制成，戴于腭上，作为牙齿矫正或修复的诊断或治疗辅助器。

4·A removable dental appliance, fabricated of wire and plastic, that is worn in the palate and used as a diagnostic or therapeutic aid in orthodontics or prosthodontics.

咬合托一种可移动牙科器具，由金属丝和塑料制成，戴于腭上，作为牙齿矫正或修复的诊断或治疗辅助。

5·According to some embodiments of the invention, an appliance having a removable grille includes: a lip located on the appliance having a hook shape;

根据本发明的实施例，一 种带有可拆卸式格栅的装置包括：设置于所述装置上的呈钩状的唇缘；