Welcome
Dental
Assistants
ORTHODONTICS FOR THE
DENTAL ASSISTANT
DR JEAN MARC RETROUVEY
Jan 31 2013
• Bracketing review1
• Familiarize yourself with
orthodontic wires technology2
• When to use wires effectively3
Today’s Overview
BRACKETING REVIEW
Learning Objectives
• Wire Technology
• Wire insertion and removal
• Indications for a type of wire
WIRES
What should an
assistant know?
Different types of wires…….
1: Shape ( main types)
- round
- rectangular
Different types
• Nickel Titanium
– Non Bendale
– Super elastic
– Very flexible
– Come back to original
shape
• Stainless steel
– Bendable
– Fairly rigid
Nickel Titanium wires
Use of Nickel Titanium
• Initial Alignment
• Correction of rotations
• Torque control
Most popular sizes for NiTi
Size Contact information
O.014 round Initial alignment
0.016-0.018 round Completion of alignment
Rotations
0.016x0.022 Complete alignment
Torque initiation
0.018x0.025 Completion of torque
Pre expansion
TORQUE?
Torque control
• You need a
rectangular wire
in a bracket.
Torque: only with rectangular wires
Torque
Torque correcion and arch form
development
6 to 7 appointments
NitiWiresize
0.014
0.016x0,025
Sequence ( normal for the MGH)
0.016
Stainless steel wires
• Working wire
• Set up arch shape
• Slide teeth on wire (
railroad track)
• Coordination of arches
Most popular sizes for SS
Size Contact information
0.016-0.018 round Bends to accommodate tooth anatomy
0.016x0.022 Sliding mechanics
Arch form
Coordination
0.018x0.025 Same but stiffer
Arch coordination with SS wires
5 years post ortho
How do we tie wires to brackets
What do we use to insert a wire into
the brackets
• Mathieu plier
What do we use to insert a wire into
the brackets
• Weingart or Howe
What do we use to cut a wire?
• Wire cutter
• Distal end cutter
Conclusions
• 2 main types of wires
• Come in different sizes
• Different purposes
• Different ways to tie wires to brackets
• Weingart is used to insert and remove wires
• Distal end cutter is used to cut a wire
Resources
• www.retrouvey.com
• www.dentalpedia.ca
• www.discoverorotho.com
QUESTIONS?
THANK YOU

2013wires for assistants

Editor's Notes

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