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Digital Technologies for Restorative Dentistry.

Hidehiko Watanabe1, Christopher Fellows1, Hongseok An1

  • 1Restorative Dentistry, Oregon Health & Science University, School of Dentistry, 2730 S Moody Avenue, Portland, OR 97201-5042, USA.

Dental Clinics of North America
|October 10, 2022
PubMed
Summary
This summary is machine-generated.

Computer-aided design and computer-aided manufacturing (CAD/CAM) improve dental restorations, especially for full-arch scans and implant cases. Further advancements in virtual articulators and additive manufacturing show promise for complex dental applications.

Keywords:
CAD/CAM materialsComputer-aided designComputer-aided manufacturingDirect and indirect digitizationImplant CAD/CAMImplant digital impressionVirtual design

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Area of Science:

  • Dentistry
  • Digital Dentistry
  • Biomaterials

Background:

  • Direct digitization of oral structures has improved, but indirect digitization remains essential for specific applications like full-arch scanning.
  • Computer-aided design (CAD) software enables efficient designing once accurate intraoral scans are imported.
  • 3D facial scans enhance smile design predictability, yet virtual articulators require further development for complex restorative cases.

Purpose of the Study:

  • To review the current applications and advancements in CAD/CAM technologies within dentistry.
  • To highlight the potential of both subtractive and additive manufacturing techniques in dental restorations.
  • To identify areas for improvement, particularly in virtual articulation and CAD/CAM for implant restorations.

Main Methods:

  • Review of current literature on CAD/CAM in dentistry, focusing on digitization, design, manufacturing, and applications.
  • Analysis of different CAD/CAM formats including chairside, laboratory, and centralized fabrication.
  • Examination of materials and techniques used in subtractive and additive manufacturing for dental restorations.

Main Results:

  • CAD/CAM technologies are increasingly utilized for dental restorations, with improved accuracy in digitization.
  • Both subtractive and additive manufacturing techniques have distinct advantages, with additive manufacturing showing potential for material savings and complex geometries.
  • Limited evidence exists for CAD/CAM in implant restorations, though custom abutments and crowns are fabricated from various materials.

Conclusions:

  • CAD/CAM technologies offer significant advancements in dental restoration design and manufacturing.
  • Further development of virtual articulators and exploration of additive manufacturing are crucial for complex dental cases.
  • Expanding the application of CAD/CAM in implant restorations holds considerable potential for improved patient outcomes.