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3Q4. Are there other options beside the traditional acrylic retainer?

Different type of retainers

Standard Hawley retainer

Consist of labial bow extending from canine to canine

Additional retentive elements

Adam clasp on molars

Ball clasps between bicuspid and molar

Palatal or lingual acrylic body

Advantage

· Can be taken out when eating and bushing

· Can be use to close minor space between front teeth

· Allow settling of occlusion

Disadvantage

· Can be taken out – lost, broken, or not worn

· Are visible

· Wire may get in the way of proper settling of canine and bicuspid

· May not keep extraction space closed

Wraparound Hawely Retainer

Consist of labial bow extending from molar to molar

Additional retentive elements

Adam clasp on molar

Circumferential C clasp on molar

Ball clasps

Palatal or lingual acrylic body

Advantages

· Same as Hawley retainer

· Keep extreaction space closed

· Does not get in the way canine or bicuspids

Disadvantages

· Difficult to adjust

· May be more fragile than standard hawely

· visible

· Can be take out, lost, damaged or not worn.

Essix Retainer

Clear plastic shell retainer

Advantages

· Less visible

· keep extraction space closed

· removable during eating or brushing

Disadvantages

· Removable – may be lost, damaged, or not worn

· Does not allow settling of occlusion

· If patient grind teeth at night, may chew through retainer in few month

· Retainer may not last as long and replacement need to be made.

Fixed retainer

-triple 010 ss wire banded to the lingual of teeth

-Lab constructed bar retainer

-Most commonly place at
  • Lower canine to canine
  • Lower premolar to premolar if ext was done
  • Upper central to central for patient who initially had diastema
  • Any group of teeth or tooth that started out with extreme crowding or rotation.

Advantages

· Always present

· Cannot be lost

Disadvantages

· Difficult to keep clean, to floss

· May come loose and need to be repaired

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