Podcast
Questions and Answers
What are the components of a removable appliance?
What are the components of a removable appliance?
- Active components
- Retentive components
- Base plate
- All of the above (correct)
How do removable appliances work?
How do removable appliances work?
- By pulling the tooth out of its socket
- By rotating the tooth around its center of resistance
- By applying multiple forces on the crown of the teeth
- By tipping the tooth around its apex (correct)
Which component of a removable orthodontic appliance brings about actual tooth movement?
Which component of a removable orthodontic appliance brings about actual tooth movement?
- Base plate
- Springs
- Adam clasp
- Labial bows (correct)
What is the purpose of a labial bow in a removable appliance?
What is the purpose of a labial bow in a removable appliance?
Which direction can tipping be brought about by removable appliances?
Which direction can tipping be brought about by removable appliances?
What are the basic parts of a labial bow?
What are the basic parts of a labial bow?
What is the primary purpose of a short labial bow?
What is the primary purpose of a short labial bow?
How is a long labial bow different from a short labial bow?
How is a long labial bow different from a short labial bow?
What is the activation method for a long labial bow?
What is the activation method for a long labial bow?
When is a short labial bow indicated for use?
When is a short labial bow indicated for use?
In what cases can a long labial bow be used?
In what cases can a long labial bow be used?
What modification can be made to a long labial bow in extraction cases?
What modification can be made to a long labial bow in extraction cases?
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Study Notes
- Removable orthodontic appliances consist of a plastic base plate with wires, springs, or screws to hold it in place.
- Components of removable appliances include active components, retentive components, and the base plate.
- Removable appliances work by applying a single force to the crown of the teeth, tipping the tooth around its center of resistance.
- Active components of removable orthodontic appliances include labial bows, springs, expansion screws, and elastics.
- Labial bows are curved wire components used for retention, retraction of anterior teeth, and carrying auxiliary springs.
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