ortho revision - orthodontic - revision ortho - ortho data show
Post on 16-Jul-2015
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Ortho Revision .. For Data show
-You should see ..
-Cast analysis in manual
-Summary of Cepahl .. In manual
وباقي الصور لكل المنهج .. المانولهذه من
.. بهالملف
Removable Appliance
•Four components need to be considered for
•every removable appliance:
•A. Active component(s)
•B. Retaining the appliance
•C. Anchorage
•D. Baseplate
Problems with Removable appliance
•Common problems during treatment:
•1) Slow rate of tooth movement
•2) Frequent breakage of the appliance
•3) Appliance quickly becomes loose fitting
•4) Excessive tilting of tooth being moved
•5) Anchorage loss
•6) Palatal inflammation
•7) Lack of overbite reduction
Indications for the use of fixed Appliances:
•• When precise tooth movements are required.•• Correction of mild to moderate skeletal
discrepancies.•• Intrusion/extrusion of teeth.
•• Correction of rotations.•• Overbite reduction by intrusion of incisors.
•• When multiple tooth movements required in one arch.
•• Active closure of extraction spaces, or spaces due to hypodontia
Components fixed appliances:
•1) Bands
•2) Bonds
•3) Orthodontic adhesives
•4) Auxiliaries
•5) Archwires
•Material: Nickel titanium “Niti” & Stainless steel “SS”
Form: Straight or Arch form (Round, Tapered, Square, Ovoid)
Dimension: Round (0.012, 0.014, 0.016 inches)
•In the initial stages of treatment,
•Flexible wire is desirable “Niti wires”
•- In the later stages of treatment,
•Rigid arch wires are required “SS wires”
Specific problems in adult orthodontic treatment:
•1. Lack of growth.
•2. Periodontal disease.
•3. Missing or heavily restored teeth
•4.Physiological factors affecting tooth movement:
•5. Adult motivation + attitude towards treatment:
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