Removable Appliances Flashcards
Name the components of a Removable Appliance
A- Active
R- Retention
A- Anchorage
B- Baseplate
What movement is created with a Removable appliance?
Tipping movements
What is a Removable Appliance used for?
•Simple movements
•tip teeth
• Maintain Space
•Overbite reduction
What are the active components of a Removable Appliance?
B- Bows
E- Elastics
S - Screws
S - Springs
What is the size of a active labial bow wire and what is it made out of?
Stainless Steel 0.5mm
What is a Roberts Retractor bow used to move?
Retracting proclined and spaced incisors
What is a Roberts Retractor bow used to move?
Retracting proclined and spaced incisors
What are Intra Oral Elastics used for
•Intrusion
•Extrusion
Eg.displaced canines
Advantages of Elastics in a RA
•Direct movement
•Discreet
Disadvantages of Elastics
•snapping
•pt complaince
What are screws made of?
Stainless Steel and a Central Cylinder
What do Screws achieve?
Anterior and posterior movements
What does an anterior labial screw achieve?
•Anterior labial movement
•proclines the anterior region
• Corrects anterior crossbites
What does a midline screw achieve?
•Expands the upper arch
•Corrects buccal crossbites
• Moves 2 groups at the same time
What does a 3D screw achieve?
•combination of Anterior and Midline Screw
•proclines ants and expands the arch
•two screws turned at seperate occassions