E2 Classification of Appliances

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what are the classification of orthodontic appliances? 6
* passive
* active
* functional
* fixed
* removal
* fixed/removal
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passive
doesn’t use force

* maintain appliance in the mouth
* hold teeth in place, inhibiting any movement
3
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active
use placement of forces

* forces placed on a single teeth or groups of teeth
* forces are generated within the appliance and specific oral structures to be corrected
4
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functional
use muscles of mastication and the oral cavities to crate conditions which will encourage the growth or change

* changes are not necessarily tooth movement, but rather changes to the supporting structures.
* doesn’t use screw or springs to make changes, use positioning and stretching of muscles to produce that are required

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fixed
appliance that cannot be removed by the patient

* Most common fixed appliances use molar bands
* Could be distorted or damaged when removed

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fixed/removal appliances
Rely on cemented bands for retention, but include attachments which allow the body of the appliance to be removed from the mouth without damage to the appliance
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removabale
Can be removed by the patient at any time

* Held in by retention, such as, clasp, suction, or acrylic placement
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Hawley Retainer

* removal
* passive
* use acrylic
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term image
Wrap Retainer

* removal
* passive
* use acrylic
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term image
Spring Retainer

* removal
* active
* use acrylic
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term image
Schwarz

* removal
* active
* use screw
* use acrylic
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term image
Transverse

* removal
* active
* use screw
* use acrylic

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term image
Quad-Helix

* Fixed
* fixed/removal
* active
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term image
Hyrax

* fixed
* active
* use screw
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term image
Bonded Hyrax/Expander

* fixed
* active
* use screw
* use acrylic
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term image
Haas

* fixed
* active
* use screw
* use acrylic
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term image
Activator

* removal
* functional
* can use screw
* use acrylic
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term image
Bionator

* removal
* functional
* can use screw
* use acrylic
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term image
Frankel

* removal
* functional
* can use screw
* use acrylic
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Twin Block

* removal
* functional
* can use screw
* use acrylic
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Herbst

* fixed
* functional
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Nance

* Fixed
* fixed/removal
* passive
* use acrylic
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term image
Nord

* removal
* active
* use screw
* use acrylic
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term image
Gelb

* removal
* functional
* use acrylic
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term image
Band and Coil Regainer

* Fixed
* active
* use open coil
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Band and Loop

* fixed
* passive
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term image
Lab Bent Lingual Arch

* fixed/removal
* passive

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Solder Lingual Arch

* fixed
* passive
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3X3 Retainer

* fixed
* passive
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Active Vertical Corrector

* removal
* functional
* Use screw
* use acrylic
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term image
Trans Palatal Arch

* fixed
* Fixed/removable
* passive - no loop
* active - loop
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term image
Tooth Postioner

* removal
* active
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term image
Porter or aka W arch

* fixed
* active

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Jackson

* removal
* active
* use acrylic
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Crozat

* removal
* active
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term image
Rickets

* removable
* passive
* Use acrylic
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Arnold

* fixed
* active
* open coil
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Coffin

* removal
* active
* Use acrylic
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Hayrake

* fixed
* Fixed/removable
* Passive
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Tongue Crib

* fixed
* Fixed/removable
* Passive

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