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Related Experiment Videos

Spark erosion: a sophisticated technique to solve a difficult problem

C H Ganz1

  • 1Divisions of Advanced Prosthodontics and Implant Dentistry and Laser Dentistry, North Shore University Hospital, Cornell Medical Center, USA.

Journal of the California Dental Association
|March 1, 1995
PubMed
Summary

Sophisticated dental prosthetics utilize a Milled Bar system with spark erosion for precise component connection. This advanced technique ensures secure and reliable attachment for complex treatment alternatives.

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Area of Science:

  • Biomaterials Science
  • Dental Implantology
  • Prosthodontics

Background:

  • Standard prosthetic solutions may not address all complex clinical scenarios.
  • The Milled Bar, a type of spark erosion bar, offers advanced treatment alternatives.
  • Osseointegrated implants are crucial for stable prosthetic support.

Observation:

  • A two-degree tapered meso (primary) bar features anterior friction pins.
  • These pins attach to osseointegrated implants, providing frictional retention.
  • A secondary bar with swivel lock attachments interfaces with the primary bar.

Findings:

  • Spark erosion technology enables precise fabrication of the primary bar.
  • Plasma arc welding ensures accurate association between the primary and secondary bar components.

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  • The combined system offers a sophisticated solution for complex prosthetic needs.

    • Implications:

    • This Milled Bar design provides enhanced stability and retention for dental prostheses.
    • The use of spark erosion and plasma arc welding ensures high precision and fit.
    • This technology expands treatment options for challenging implant-supported restoration cases.