Implant
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Questions and Answers

What is the color code for Regular Coping?

  • Red
  • Purple (correct)
  • Yellow
  • Blue

    • What is the Narrow Coping size determined by?

  • Red code
  • Green code
  • Purple code
  • Yellow code (correct)

    • How many color codes are mentioned for snap on caps?

  • 3
  • 2 (correct)
  • 4
  • 5

    • What size is determined by the Purple code?

    <p>Regular Coping</p> Signup and view all the answers

    What is the meaning of the Yellow code?

    <p>Narrow Coping</p> Signup and view all the answers

    What is a characteristic of a hybrid abutment?

    <p>It consists of two separate pieces</p> Signup and view all the answers

    What is the main difference between a lithium disilicate abutment and a zirconia abutment?

    <p>The ceramic material used</p> Signup and view all the answers

    What is the purpose of resin cement in a hybrid abutment?

    <p>To bond the ceramic to the titanium base</p> Signup and view all the answers

    What is milled from ceramic blocks in a hybrid abutment?

    <p>The ceramic portion</p> Signup and view all the answers

    What is the base material used in a hybrid abutment?

    <p>Titanium</p> Signup and view all the answers

    What is the state of the tissue contours at this point?

    <p>They are frozen</p> Signup and view all the answers

    What is a characteristic of polyvinyl siloxane (PVS) that enables it to achieve the best detail reproduction in a moist environment?

    <p>Hydrophilic nature</p> Signup and view all the answers

    What is the purpose of Floss Scaffold or Matrix?

    <p>To hold the resin in place</p> Signup and view all the answers

    What is the result of the process at this point?

    <p>A completed resin splint</p> Signup and view all the answers

    Which property of PVS is responsible for securing the implant coping position?

    <p>Rigidity</p> Signup and view all the answers

    What is the significance of the resin splint being completed?

    <p>It is now ready for use</p> Signup and view all the answers

    What is the advantage of the high flow properties of PVS?

    <p>It enables intimate contact with transfer coping</p> Signup and view all the answers

    What is the relationship between the resin splint and the Floss Scaffold or Matrix?

    <p>The Floss Scaffold or Matrix is used to create the resin splint</p> Signup and view all the answers

    What is a benefit of using PVS in a moist environment?

    <p>It improves the accuracy of the impression</p> Signup and view all the answers

    What is a characteristic of PVS that is important for its use in implant impressions?

    <p>Its hydrophilic nature</p> Signup and view all the answers

    What is the primary benefit of using an impression coping?

    <p>To create a precise replica of the implant angulation</p> Signup and view all the answers

    What is a disadvantage of using an impression coping?

    <p>Rotation of the coping during analogue</p> Signup and view all the answers

    What is the consequence of breaking the stone cast?

    <p>Loss of the soft tissue reference point</p> Signup and view all the answers

    What is the primary function of the impression coping?

    <p>To create a precise replica of the implant angulation</p> Signup and view all the answers

    What is the significance of the soft tissue reference point?

    <p>It ensures accurate replication of implant angulations</p> Signup and view all the answers

    Study Notes

    Polyvinyl Siloxane (PVS) Addition Silicone

    • Hydrophilic property allows for best detail reproduction in a moist environment.
    • High flow properties enable intimate contact with transfer coping.
    • Rigidity secures implant coping position, allowing tissue contours to be "frozen".

    Hybrid Abutments

    • Lithium disilicate seated on a Ti base (hybrid) is one type of hybrid abutment.
    • Zirconia seated on a Ti base (hybrid) is another type, milled from E.max or zirconia blocks and bonded to a titanium base by a resin cement in the laboratory.
    • Hybrid abutments have a snap-on cap available in different colors, each determining a different size (e.g., yellow code for Narrow Coping, purple code for Regular Coping).

    Advantages and Disadvantages

    • Accurate replication of implant angulations is an advantage of hybrid abutments.
    • Rotation of coping during analogue is a disadvantage of hybrid abutments.

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