Vertical marginal and internal adaptation of all-ceramic copings made by CAD/CAM technology

M. A. Al-Rabab'ah, Tatiana MacFarlane, J. Fraser McCord

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)

Abstract

Vertical marginal and internal adaptation scores of all-ceramic copings made by Computer aided manufacturing/ computer aided design (CAD/CAM) were investigated. Scores were compared between Procera all-ceram copings, Cerec-in-lab copings and IPS Empress 2 copings. A stereomicroscope was used (at x45) to measure vertical marginal scores and also used to measure internal adaptation after dies were sectioned. Procera copings showed better vertical marginal adaptations on dies and master preparation and internal adaptation on dies than both IPS Empress 2 and Cerec- in-lab copings. All copings appeared to produce vertical marginal and internal adaptation scores well within the maximum clinically acceptable gaps.
Original languageEnglish
Pages (from-to)109-115
Number of pages7
JournalThe European Journal of Prosthodontics and Restorative Dentistry
Volume16
Issue number3
Publication statusPublished - 1 Sep 2008

Keywords

  • aluminum oxide
  • aluminum silicates
  • ceramics
  • computer-aided design
  • crowns
  • dental abutments
  • dental models
  • dental porcelain
  • dental prosthesis design
  • humans
  • image processing, computer-assisted
  • microscopy
  • photography
  • surface properties

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