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Denture relining using digital replication method: A dental technique.

Mohammed M Gad1, Haidar Alalawi1, Faisal D Al-Qarni1

  • 1Department of Substitutive Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia.

Journal of Prosthodontics : Official Journal of the American College of Prosthodontists
|February 25, 2024
PubMed
Summary

Digital denture relining using 3D printing offers accurate results and improved patient satisfaction. This method reduces clinical time and costs, benefiting geriatric patients significantly.

Keywords:
3D printingCAD‐CAMdenture duplicationremovable prostheses

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Area of Science:

  • Dentistry
  • Digital Dentistry
  • Biomaterials

Background:

  • Traditional denture relining can be time-consuming and prone to dimensional inaccuracies.
  • Three-dimensional (3D) printing offers potential for precise fabrication of dental prosthetics.
  • Assessing the wear resistance of 3D printed denture teeth is crucial for clinical longevity.

Purpose of the Study:

  • To digitize traditional denture relining using a digital duplication method.
  • To evaluate the wear resistance of 3D printed denture teeth.
  • To assess the clinical accuracy and patient satisfaction with digitally relined dentures.

Main Methods:

  • A complete denture was relined using light body impression material and then scanned to create a digital file.
  • The digital file was used to 3D print the denture base and teeth, which were then bonded with acrylic resin.
  • Clinical fit, occlusion, and patient satisfaction were evaluated, with follow-up scans to assess occlusal wear over six months.

Main Results:

  • The intaglio surface accuracy of the digitally relined dentures was within clinically acceptable limits.
  • Clinical evaluations for retention, occlusion, esthetics, and patient satisfaction were encouraging.
  • The digital duplication method successfully relined conventional dentures, with wear resistance of 3D printed teeth yet to be fully detailed.

Conclusions:

  • Digital duplication provides a viable method for relining conventional dentures.
  • This digital approach offers advantages such as eliminating polymerization dimensional changes and reducing clinical time and costs.
  • The method shows promise, particularly for improving the experience of geriatric patients requiring denture relining.