Microabrasion of cast metal margins - A warning

Michael A. Mansueto*, Ronald G. Verrett, Rodney D. Phoenix

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


Plastic test patterns were milled to simulate casting margins and were cast in a variety of dental alloys. The cast specimens were exposed to horizontal and vertical streams of low-pressure microabrasion with 50 μm aluminum oxide particles. Post-exposure measurements show all specimens were affected by microabrasion. Dentists and laboratory technicians who use microabrasion must be aware of the potential damage to casting margins.

Original languageEnglish
Pages (from-to)136-140
Number of pages5
JournalJournal of Prosthodontics
Issue number2
StatePublished - Mar 2007


  • Aluminum oxide
  • Dental laboratory procedures
  • Dental materials
  • Divestment
  • Glass beads
  • Particle abrasion
  • Sandblasting
  • Surface treatments


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