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Implants > Implant parts and components > Flashcards

Implant parts and components Flashcards

1
Q

What are the different types of implant design?

A
  • one piece, two piece
  • tissue level, bone level
  • external hex, internal hex
  • platform switch, non-platform switch
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2
Q
A
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3
Q

What is a driver?

A

Used to tighten or loosen implant parts and screws

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4
Q

What is a cover screw/closure screw/closure cap?

A
  • Screwed into the implant at the time of initial placement. Prevents bone, soft tissue and debrisfrom getting into the implant fixture during healing.
  • Used when 2 stage approach is desired. Will becovered by soft tissue during implant osseointegration phase.
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5
Q

What is a healing abutment?

A
  • Screws into the implant to facilitate tissue healing.
  • Placed after implant is uncovered at 2nd stage surgery or directly when single stage approach chosen.
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6
Q

What is the impression coping?

A
  • Part used for making an implant impression.
  • Screwed directly into the implant or placed over an abutment previously screwed into the implant.
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7
Q

What is a closed tray technique versus an open tray technique?

A
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8
Q

What is an Implant Analog/Replica?

A
  • Exact replica of an implant fixture.
  • Used to replicate the implant’s position in the patient’s mouth and needed to fabricate the implant prosthesis.
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9
Q

What is an Abutment Analog/Replica?

A
  • Replica of an abutment.
  • Used for prosthesis fabrication at the abutment level.
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10
Q

What is a Temporary Abutment?

A
  • Part that supports/retains an interim prosthesis.
  • Screwed into the implant
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11
Q

What is a Prosthetic Abutment?

A
  • Part that supports/retains a definitive prosthesis.
  • Screwed into the implant.
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12
Q

What are the characteristics of a cemented crown?

A
  • requires two-piece assembly
  • advantages: looks like a natural tooth, more cosmetic flexibility
  • disadvantages: cement can cause inflammation and bone loss, removal options are limited
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13
Q

What are the characteristics of screw-retained crown?

A
  • requires one-piece assembly
  • advantages: easy access to the screw, no cement required
  • disadvantages: crown may chip near access hole, cosmetic appearance may not be as ideal
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14
Q

What is a Torque Wrench?

A
  • Used in combination with an implant driver to tighten the prosthetic screw to a pre-determined force measured in Newton-centimeters (Ncm).
  • Every implant system will require a different torqueing force indicated by the manufacturer.
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15
Q

Torqueing of the screw is performed using both
hands:

A
  • one hand holds the driver in place
  • other hand performs the torqueing by activating the wrench’s lever up to the required value
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16
Q

Torqueing values for definitive implant screws and components at time of final delivery:
Nobel Biocare:
Straumann:
Astra Tech:

A

Nobel Biocare: 35 Ncm
Straumann: 35 Ncm
Astra Tech: 25 Ncm

Implants (20 decks)

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