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Ortho > Fixed Appliances > Flashcards

Fixed Appliances Flashcards

1
Q

how to fixed appliances move the teeth?

A

moves by means of brackets and attachment to bonds

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2
Q

what type of appliance causes tipping of the teeth?

A

removeable

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3
Q

what type of appliance gives a bodily movement?

A

fixed

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4
Q

what type of appliance causes extrusion and intrusion?

A

removeable and fixed

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5
Q

what type of appliance can cause rotation of teeth?

A

fixed

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6
Q

what type of appliance causes torque?

A

fixed

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7
Q

what is an edgewise fixed appliance?

A

straight slot cut wire into brackets

tooth position determined by any bends in archwire or orientation of bracket slot/base

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8
Q

what is a pre adjusted fixed appliance?

A

the slots are pre angulated

minimun bends in archwires

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9
Q

what to contemporary braces give?

A

optimum control of tooth movement

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10
Q

what can bodily movements of teeth correct?

A

space closure

overjet reduction

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11
Q

what kinds of movements can contemporary braces cause?

A 
bodily movements
rotations
extrusion and intrusion
uprighting
root torqueing
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12
Q

what are the 2 types of contemporary fixed appliance?

A

labial

lingual

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13
Q

what are the 2 types of ligation?

A

conventional - bands

self ligation

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14
Q

what are the types of bends found in a brace?

A

in out bends
tip bends
torque bends

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15
Q

how are brackets put on teeth?

A

composite resin sandwich and etc

applied with tweezers

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16
Q

what are the 3 tubes found in molar bands?

A

archwire tube
auxilliary tube
headgear tube - maxillary only

17
Q

what are the 4 types of materials archwires can be made from?

A

nickel titantium
SS
beta titanium
glass/composite

18
Q

what are the 2 types of nickel titanium wire?

A

round or rectangular

thermally activated

19
Q

what form do SS wires come in?

A

round or rectangular

20
Q

what wires are used for alignment and levelling?

A

nickel titanium

21
Q

what wires are used for overbite reduction?

A

SS

22
Q

what wires are used for overjet reduction?

A

SS

23
Q

what wires are used for space closure?

A

SS

24
Q

what wires are used for finishing and detailing?

A

nickel titanium

25
Q

what types of auxillaries can be used in combination with a fixed appliance?

A

elastic bands
springs
palatal and lingual arches
headgear

26
Q

what class’s of malocclusion is elastic traction used in?

A

Class 2/3

27
Q

what are temporary anchorage devices used for?

A

anchorage

distal movement

28
Q

what is used to remove an aplliance?

A

bracket and bond removing forceps

29
Q

what are the types of removeable retainers?

A

hawley type

pressure formed

30
Q

what are they types of fixed retainers?

A

wire

other

31
Q

what problems can a fixed appliance cause?

A 
demineralisation and caries
gingivitis
perio destruction
ST trauma
root resorption
pulp death
enamel fracture

Ortho (10 decks)

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