Post on 04-Jan-2016
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Components of Removable Appliance for tooth movements
Retentive components• Casps/
cangkolan
Active components• Spring • Screw • Elastics
Baseplate
Active Components
• Ada/tidaknya helix1. Springs
• Palatally positioned: like the finger, Z and Recurved Z springs. – A, helical spring for distal
tipping of a molar (jari)– B, double helical spring for
labial tipping of a lateral incisor; (Z)
– C, paddle spring for labial movement of an incisor
• Labially positioned: like buccal canine retractor, Hawley arch and Robbert retractor.– D, buccal loop spring, to tip a
canine lingually
• Ada/tidaknya helix
• Posisi Spring 1. Springs
Hawleyretainer labial bow
• Kurang flexible, dibanding spring
• Digunakan untuk memindahkan group of teet
2. Screw
3. Elastics
Retentive Components Cangkolan (clasp)
• Membantu menjaga appliance tetap di tempat, dan menahan dari displacement selama pergerakan komponen aktif.
• Efektifitas komponen aktif retensi
Baseplate
• Membentuk bagian besar dari ortho lepasan • Menghubungkan komponen-komponen