Marginal fit of machine-milled titanium and cast titanium single crowns

Dennis Leong, John Chai, Eugene Lautenschlagnr, Jeremy Gilbert

Research output: Contribution to journalArticlepeer-review

63 Scopus citations


Eighteen type IV dental stone dies were fabricated from a metal master die that replicated a tooth prepared to receive a metal ceramic crown. They were divided into three groups according to the type of crowns to be made: (a) machine-milled, spark-eroded titanium crowns (Procera); (b) cast titanium crowns; and (c) noble alloy crowns (as the control). The control specimens showed the smallest mean marginal openings at 25 pm and were significantly different from both the machine-milled crowns (54 µm) and the cast titanium crowns (60 µm). The two types of titanium crowns were not significantly different from each other.

Original languageEnglish (US)
Pages (from-to)440-447
Number of pages8
JournalInternational Journal of Prosthodontics
Issue number5
StatePublished - 1994

ASJC Scopus subject areas

  • General Medicine


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