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Digital workflow for fabricating an implant-supported overdenture with the custom disk method.

Anna Miyayasu1, Maiko Iwaki2, Kouichi Enomoto3

  • 1Assistant Professor, Advanced Biomaterials, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan.

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A new digital workflow integrates metal frameworks into implant overdentures using the custom disk method. This technique ensures a precise fit and accurate artificial tooth placement for enhanced patient outcomes.

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Area of Science:

  • Dentistry
  • Biomaterials Engineering
  • Digital Fabrication

Background:

  • Digital workflows for complete dentures are established, but not for those with metal frameworks like implant overdentures.
  • Existing methods lack standardization for fabricating complex implant-supported prosthetics.

Purpose of the Study:

  • To describe a novel digital workflow for fabricating implant overdentures with metal reinforcement.
  • To adapt the custom disk method for creating implant overdentures with integrated metal frameworks.
  • To establish a standardized technique for metal-reinforced complete dentures.

Main Methods:

  • Utilized a custom disk method with prefabricated artificial teeth embedded in resin.
  • Milled both the denture base and artificial teeth simultaneously from the custom disk.
  • Integrated a metal framework into the resin denture base for a 4-implant-supported overdenture.

Main Results:

  • Successfully fabricated a 4-implant-supported overdenture with a metal reinforcement using the digital workflow.
  • The custom disk method was effectively applied to implant overdenture fabrication with metal frameworks.
  • Achieved a precise fit of the denture base and accurate positioning of artificial teeth.

Conclusions:

  • The described digital workflow provides a viable method for fabricating implant overdentures with metal frameworks.
  • This technique offers a standardized approach applicable to both implant overdentures and complete dentures with metal reinforcement.
  • The integration of metal frameworks enhances denture stability, fit, and aesthetic outcomes.