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Band • (1) Buccal and often lingual attachments are s
oldered or welded.• (2) Piror to placement of a band it may be nec
essary to separate the adjacent tooth contacts. • (3) There are different sizes of bands for diffe
rent sizes of molar.• (4) Glass ionomer cement is used for band ce
mentation.
• First-order bends: horizontal plane
• Second-order bends: vertical plane
• Third-order bends: torque
Orthodontic adhesives
• Band cement: glass ionomer, zinc phosphate
• Bonding adhesive: chemical-cured, light-cured
Bonding procedure
• Clean the teeth
• Etch the teeth
• paint the sealant mixture
• paint the paste mixture
• place the brackets
Auxiliaries
• Ligatures:steel or elastic
• Elastic bands:1/8”, 3/16”, 1/4”, 5/16”
• Elastic chains:close, open, wide
• The others:expansion screw, headgear, etc.
Typical treatment procedure
• Aligning and leveling
• Space closure and correction of occlusal relationship
• Finishing
• Retention
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