活动矫治器

平面导板
作用 抑制或压入下前牙 促进后牙齿槽高度的生长 有利于下颌的正常发育
适应证 诊断并矫治功能性下颌后缩 严重前牙深覆合
斜面导板
作用：刺激下颌生长 增加后牙槽高度 适应证：肌功能异常所致的远中错合 上牙弓狭窄所致的远中错合
Baseplate 连接部分（基托）

基托 自凝或热凝塑胶 （Self-cure or heat-cure acrylic） 唇弓，舌弓，腭杠(杆)
carrying the acrylic over the occlusal surface
口外牵引活动矫治器 Extraoral Traction
Delaire facemask 面框
Commonly Used RA
Produce an anterior force on the maxillary teeth and maxilla For children who have a small or distally positioned maxilla

常用的机械性活动矫治器
Commonly Used Removable Appliances
合垫式矫治器 Buccal Capping

Commonly Used RA
Posterior bite block To eliminate occlusal interferences
Z-spring
Active component(s) 加力部分--- tooth moving element to apply force for active tooth movement Retentive component 固位部分--- to hold the appl. in place Baseplate 连接部分
Retentive Components 固位部分
Clasp 卡环 Buccal hook 邻间钩 Labial bows 唇弓 Baseplate 基托

Adams Clasp
箭头卡环
Retention
Arrowhead
designed to engage the mesiobuccal and distobuccal undercuts of a fully erupted permanent molar.
Springs
Helical Finger Spring
圈簧
Springs
弹簧-U形簧
Springs
Labial Bow 唇弓
Labial Bow
Labial bow with U-loop 双曲唇弓
By squeezing together the legs of the U-loop to retract the upper incisors & reduce overjet
Removable Appliances
活动矫治器

Fabricated mainly in acrylic and wire, and can be removed from the mouth.

由基托和弓丝组成, 可取戴.
Removable Appl.---Components 组成


Expansion Spring
Anterior Bite Plane(flat) 平面导板
Reduce the overbite
Increase the thickness of acrylic behind the upper incisors forms a bite-plane onto which the lower incisors occlude.
Retention
Extra-oral traction tubes
Hooks
Retention
Springs
Circumferential Clasp 单臂卡环
Retention
固位力较弱
Compared to Adams clasp: • Easier to keep out of occlusal contact • Less retentive ability
ห้องสมุดไป่ตู้下牙合垫的咬合斜面以45°的角度彼此相互锁结在一起
Might be adequate for a retainer
分臂卡环
Retention
Buccal Hook
邻间钩
Retention
Labial Bows 唇弓
Retention
With U-loop
双曲唇弓
Provides some anterior stabilization for the appliance
Screw
Key to separate the two halves
Screw
To move the posterior teeth distally
Expansion Spring 扩弓簧
Expansion Spring
Expansion Spring
Expansion Spring
Expansion Spring
Base Plate 基托
Retention
Extend into undercuts/embrasure can also plays a role as retaining
Active Components 加力部分
弹簧 Springs 唇弓 Labial bows 橡皮圈 Elastics 螺旋簧 Screws 上颌平(斜)面导板 Anterior bite plane 磁性材料 Magnetic material
头帽 颏兜
Head strap and chin cap
纠正不良习惯矫治器
保持器 Retainer

Commonly Used RA
Hawley retainer
labial bow with loops
常用的功能性活动矫治器
简单功能性矫治器
上颌平(斜)面导板 下颌斜面导板 唇挡 前庭盾
Anterior Bite Plane 平(斜)面导板

Double-cantilever Spring 双曲舌簧
Springs
Designed for moving more than one tooth labially唇向移动
Springs
Z-spring 双曲舌簧
small double-cantilever spring
Finger Spring 纵簧
Elastics 橡皮圈
Elastics
A hook bonded on the canine, and elastic was used to extrude the tooth.
Elastics
intrusion
Elastics
Screws 螺旋簧
Screw
Consist of two halves on a threaded central cylinder turned by means of a key to separate the two halves
Commonly Used RA
Flat / inclined
前庭盾 Vestibular Screen
破除不良习惯
唇挡
Lower lip shield
解除过强的颏唇肌力量
肌激动器
生物调节器
功能调节器
1960年德国Frānkel设计了Frānkel功能调节器
Twin-block 双合垫矫正器