Metal Ceramic Crown Preparation

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Questions and Answers

Which technique is used for the fabrication of Metal Ceramic Crown?

  • Captek Ti alloy
  • Surface glaze
  • Nobel Base Metal
  • Lost wax technique (correct)

What is the recommended thickness for a ceramic veneer in an esthetically pleasing restoration?

  • 2 mm
  • 0.3 mm
  • 0.5 mm
  • 1 mm (correct)

Which layer of the Metal Ceramic Crown has a thickness of 0.1-0.3 mm?

  • Body porcelain
  • Metal
  • Opaque (correct)
  • Dentin and enamel

What is the purpose of the metal contour in a Metal Ceramic Restoration Framework Design?

<p>To provide support for the porcelain (A)</p> Signup and view all the answers

Which design feature is important for the margin of a Metal Ceramic Crown?

<p>Proper metal contour (C)</p> Signup and view all the answers

Flashcards

Metal Ceramic Crown Fabrication

The lost wax technique is used for fabricating metal ceramic crowns, ensuring precise metal framework creation.

Ceramic Veneer Thickness

A ceramic veneer should be 1 mm thick to balance esthetics and durability.

Opaque Layer Thickness in MCC

The opaque layer, with a thickness of 0.1-0.3 mm, masks the underlying metal framework.

Metal Contour Purpose

Metal contour provides support for the porcelain, preventing fractures and ensuring longevity of the restoration.

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Metal Ceramic Crown Margin Design

Proper metal contour is important for the margin of a metal ceramic crown to ensure a good fit and prevent marginal leakage.

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Study Notes

Metal Ceramic Crown Fabrication

  • The technique used for the fabrication of Metal Ceramic Crown is the Lost-Wax technique.

Ceramic Veneer Thickness

  • The recommended thickness for a ceramic veneer in an esthetically pleasing restoration is 0.5-1.5 mm.

Opacity Layer Thickness

  • The opacity layer of the Metal Ceramic Crown has a thickness of 0.1-0.3 mm.

Metal Contour Purpose

  • The purpose of the metal contour in a Metal Ceramic Restoration Framework Design is to provide a guide for the technician to create a uniform thickness of ceramic material.

Metal Ceramic Crown Margin

  • A chamfer design feature is important for the margin of a Metal Ceramic Crown as it helps to prevent the ceramic material from chipping.

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