Essix Retainers Flashcards

1
Q

what are essix retainers and when are they made?

A

the fabrication of a temporary appliance

when your patient needs a short-term temporary anterior appliance on short notice- due to trauma, lost partial denture, planned extraction, implant placement etc

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2
Q

why do we made essix retainers?

A

Commercial laboratory processed temporary appliances require at least several days to construct, and often several weeks

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3
Q

EXAMPLE: Your patient is to have tooth #10 extracted, followed by implant placement, and needs an immediate, esthetic temporary appliance what are the advantages and disadvantages?

A
  • Advantage: A vacuum formed temporary appliance is a convenient and efficient method to help your patient.
  • Disadvantage: These are fragile and only meant for a short time (days to weeks); should be replaced by an interim partial denture until implant is ready to restore. Appliance only solves an esthetic concern; patient cannot eat with the appliance in
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4
Q

what are the materials needed to create essix retainer?

A
  • stone cast
  • 0.02 or 0.03 vacuum forming material
  • vaseline
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5
Q

what must you do to the maxillary stone cast?

A

must turn into a horseshoe shape with no base where the hole in the palate is necessary for proper suction

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6
Q

steps of creating essix retainer

A
  • wax up missing tooth (or use denture tooth)
  • lubricate the cast
  • clamp the 0.02 clear stent onto sliding middle member
  • turn on heating rod
  • move middle member up and under heating rod
  • place lubricated model on lower member
  • allow thermoplastic sheet to melt such that it sags 1/4 in below middle member
  • turn on vacuum and slide middle member quickly down over cast
  • allow to cool before removing cast and turning vacuum off
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7
Q

what do you do once the thermoplastic stent is cooled on the cast?

A

scribe out stent slightly below the CEJ using hand piece, round acrylic bur or scissors

composite is placed in the tooth slot where the tooth is missing in the patient

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