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[Independent innovation research of functionally suitable denture digital system].

Y C Sun1, Y Wang1, K H Deng1

  • 1Center of Digital Dentistry, Faculty of Prosthodontics, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China.

Beijing Da Xue Xue Bao. Yi Xue Ban = Journal of Peking University. Health Sciences
|April 20, 2020
PubMed
Summary

A new digital system, the Functionally Suitable Denture (FSD), simplifies complete denture fabrication. This innovative computer-aided design (CAD) and 3D printing approach reduces dental visits and improves accuracy for edentulous patients.

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Area of Science:

  • Dental prosthetics
  • Digital dentistry
  • Biomaterials engineering

Background:

  • Conventional complete denture fabrication is time-consuming and involves multiple complex clinical steps.
  • Existing methods have remained largely unchanged for nearly a century, leading to inefficiencies and potential errors.
  • Edentulous patients often face challenges with traditional denture treatments, including lengthy procedures and variable outcomes.

Purpose of the Study:

  • To develop a novel digital system, the Functionally Suitable Denture (FSD), to streamline complete denture restoration.
  • To reduce the number of clinical steps, operational difficulties, and errors in denture fabrication.
  • To enhance the accuracy, efficiency, and personalization of complete dentures through computer-aided design (CAD) and 3D printing.

Main Methods:

  • Development of a digital workflow integrating a high-efficiency 3D scanner, specialized CAD software, and a dedicated 3D printer.
  • Pioneering a computer-aided design (CAD) software utilizing template matching based on expert design principles.
  • Implementing an innovative clinical operation process that combines functional impression, jaw relation recording, and try-in into a single step.

Main Results:

  • The Functionally Suitable Denture (FSD) system successfully reduced the typical three steps (functional impression, jaw relation, try-in) to one, effectively halving the number of required dental visits.
  • The developed CAD software enables efficient and intelligent design, facilitating the inheritance and iteration of expert knowledge.
  • The system demonstrated novelty, creativity, and industrial utility, with all 15 patent claims validated by the Patent Cooperation Treaty (PCT).

Conclusions:

  • The Functionally Suitable Denture (FSD) system offers a fast, simple, and accurate method for designing and manufacturing complete dentures.
  • This digital approach overcomes the traditional limitations of being slow, difficult, and inaccurate, providing personalized functional and aesthetic outcomes.
  • The FSD system presents a promising, potentially more accessible solution for edentulous patients, including those with severe alveolar ridge resorption or high occlusal forces.