Evaluation of the 45-degree labial bevel with a shoulder preparation

Francis V. Panno, Farhad Vahidi, Ira Gulker, Kambiz M. Ghalili

Research output: Contribution to journalArticlepeer-review


This study compared the margin opening of cemented porcelain-fused-to-metal crowns of three different casting designs: 80-degree bevels with metal collars, 80-degree bevels with porcelain applied to the labial collars, and 45-degree labial bevels with metal and porcelain to a common margin termination. There were no statistically significant differences between the margin opening of the three groups. Porcelain application and firing did not distort the facial margin. The 45-degree bevel with porcelain to the margin has greater esthetic potential and the same margin adaptation as the 80-degree bevel with an all-metal collar.

Original languageEnglish (US)
Pages (from-to)655-661
Number of pages7
JournalThe Journal of Prosthetic Dentistry
Issue number6
StatePublished - Dec 1986

ASJC Scopus subject areas

  • Oral Surgery


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