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Related Experiment Videos

Controlled retainer-screw access placement for screw-retained implant prosthesis

S R Cohen1, S Lawrence, J H Orenstein

  • 1University of Medicine and Dentistry of New Jersey, Newark, USA.

Journal of Prosthodontics : Official Journal of the American College of Prosthodontists
|September 1, 1996
PubMed
Summary
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A novel method uses stainless steel wire to create screw access channels for implant-supported prostheses. This technique, performed from the intaglio surface, protects underlying gold cylinders and preserves prosthesis structure.

Area of Science:

  • Dental Implantology
  • Prosthodontics
  • Biomaterials Engineering

Background:

  • Implant-supported prostheses rely on retaining screws, typically accessed orally.
  • Conventional screw access preparation risks damaging obscured gold cylinders and weakening prostheses.

Purpose of the Study:

  • To introduce a new, safer method for preparing screw access channels in implant-supported prostheses.
  • To minimize damage to underlying components and preserve prosthesis integrity.

Main Methods:

  • Utilized 18-gauge stainless steel wire as a rotary cutting instrument.
  • Prepared access chambers from the intaglio (undersurface) of the prosthesis.

Main Results:

  • The new method allows preparation from the intaglio surface, avoiding direct visualization of the gold cylinder.

Related Experiment Videos

  • This technique reduces the risk of damaging the gold cylinder during access preparation.
  • It also minimizes unnecessary enlargement of the access hole, preserving prosthesis structure.

    • Conclusions:

    • Access preparation from the intaglio surface using stainless steel wire is a less destructive and safer alternative.
    • This technique enhances the longevity and structural integrity of implant-supported prostheses.