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Related Experiment Videos

Evaluating CAD-CAM generated ceramic veneers

P R Liu1, B P Isenberg, K F Leinfelder

  • 1Department of Restorative Dentistry, School of Dentistry, University of Alabama, Birmingham.

Journal of the American Dental Association (1939)
|April 1, 1993
PubMed
Summary
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Computer-aided design and computer-aided manufacturing (CAD-CAM) veneers show no significant gap dimension differences compared to traditional laboratory methods. This finding supports CAD-CAM technology for precise porcelain veneer adaptation in dental restorations.

Area of Science:

  • Dental Materials Science
  • Biomaterials Engineering
  • Restorative Dentistry

Background:

  • The integration of Computer-Aided Design and Computer-Aided Manufacturing (CAD-CAM) into dental workflows has expanded to include porcelain veneers.
  • Accurate adaptation of dental veneers to prepared tooth surfaces is crucial for successful restorations.
  • Evaluating the precision of CAD-CAM generated veneers is essential for clinical adoption.

Purpose of the Study:

  • To compare the marginal gap dimension of CAD-CAM generated porcelain veneers with those fabricated using conventional laboratory techniques.
  • To assess the clinical suitability of CAD-CAM technology for producing well-fitting porcelain veneers.

Main Methods:

  • CAD-CAM technology was utilized to design and mill porcelain veneers.

Related Experiment Videos

  • Conventional laboratory methods were employed to fabricate a comparable set of porcelain veneers.
  • The marginal gap dimension of both CAD-CAM and laboratory-fabricated veneers was measured and statistically analyzed.

    • Main Results:

    • No statistically significant differences were found in the gap dimension between CAD-CAM generated veneers and laboratory-produced veneers.
    • Both fabrication methods demonstrated comparable precision in veneer adaptation to the prepared surface.

    Conclusions:

    • CAD-CAM technology provides a level of precision for porcelain veneer adaptation that is comparable to traditional laboratory fabrication.
    • The findings support the use of CAD-CAM systems for producing accurate and well-fitting porcelain veneers in restorative dentistry.