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Questions and Answers
What type of orthodontic appliance is bonded to teeth and cannot be removed by the patient?
What is the function of anchorage in orthodontic treatment?
What type of orthodontic appliance is used for space closure?
What is the function of retention in orthodontic treatment?
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What is the purpose of ligatures in orthodontic appliances?
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What type of material is often used for archwires?
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Study Notes
Types of Orthodontic Appliances
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Fixed Appliances: bonded to teeth, cannot be removed by patient
- Brackets (metal or ceramic)
- Bands (metal rings around teeth)
- Wires (archwires, ligature wires, and coil springs)
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Removable Appliances: can be removed by patient
- Clear aligners (e.g. Invisalign)
- Removable retainers
- Hawley retainers
- Elastic separators
Components of Orthodontic Appliances
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Brackets: attached to teeth, have a slot for the archwire
- Types: stainless steel, ceramic, plastic, or self-ligating
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Archwire: connects brackets, applies force to teeth
- Types: round, rectangular, or square
- Materials: stainless steel, nickel-titanium, or beta-titanium
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Ligatures: hold archwire in bracket slot
- Types: elastic, wire, or self-ligating
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Bands: metal rings around teeth
- Used for molars or anchorage
Functions of Orthodontic Appliances
- Tooth Movement: applying force to move teeth into correct position
- Retention: holding teeth in place after treatment
- Anchorage: resisting unwanted tooth movement during treatment
- Space Closure: closing gaps between teeth
Orthodontic Appliances
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Fixed Appliances are bonded to teeth and cannot be removed by the patient.
- Consist of brackets (metal or ceramic), bands (metal rings around teeth), and wires (archwires, ligature wires, and coil springs).
Characteristics of Orthodontic Appliances
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Brackets are attached to teeth and have a slot for the archwire.
- Made of stainless steel, ceramic, plastic, or self-ligating materials.
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Archwires connect brackets and apply force to teeth.
- Come in round, rectangular, or square shapes.
- Made of stainless steel, nickel-titanium, or beta-titanium materials.
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Ligatures hold archwires in bracket slots.
- Can be elastic, wire, or self-ligating.
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Bands are metal rings around teeth.
- Used for molars or anchorage.
Functions of Orthodontic Appliances
- Tooth Movement involves applying force to move teeth into correct position.
- Retention holds teeth in place after treatment.
- Anchorage resists unwanted tooth movement during treatment.
- Space Closure closes gaps between teeth.
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Description
This quiz covers different types of orthodontic appliances, including fixed and removable appliances, and their components. Learn about brackets, bands, wires, clear aligners, and retainers.
