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Related Experiment Videos

A new technique for generating a computer-aided design and computer-integrated machining crown: case report.

Y H Chang1, P R Liu, M E Essig

  • 1Department of Dentistry, Chang Gung Memorial Hospital, Taipei, Taiwan, R.O.C.

Changgeng Yi Xue Za Zhi
|March 1, 2000
PubMed
Summary
This summary is machine-generated.

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A novel Computer-Aided Design and Computer-Integrated Machining (CAD/CAM) technique creates ceramic dental crowns efficiently. This method bypasses traditional lab work, offering superior strength and esthetics with reduced costs.

Area of Science:

  • Dentistry
  • Biomaterials Engineering
  • Digital Dentistry

Background:

  • Traditional dental crown fabrication involves multi-step laboratory procedures, increasing turnaround time and cost.
  • Advancements in digital dentistry offer potential for streamlined, chairside fabrication of dental restorations.

Observation:

  • An "optical" impression using a charged couple device camera captures tooth geometry.
  • Electronic design of the ceramic crown is performed on-screen by the operator.
  • A miniature milling machine fabricates the crown from a prefabricated ceramic block.

Findings:

  • The CAD/CAM technique allows for precise fabrication of ceramic crowns with verified marginal adaptation and contour.
  • External shading techniques enhance the esthetics of the final restoration.

Related Experiment Videos

  • The process integrates acid-etching, dual-curing composite luting, and finishing procedures for direct cementation.

    • Implications:

    • This technique eliminates the need for conventional laboratory casting, reducing overall treatment time and expense.
    • Utilizing high-quality ceramic materials ensures superior physical properties, leading to enhanced crown strength and durability.
    • The digital workflow offers improved esthetics and patient satisfaction through precise, efficient crown production.