A comparison of the mechanical properties of a gallium-based alloy with a spherical high-copper amalgam

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Abstract

OBJECTIVES: The aim of the present study was to investigate how the mechanical properties of a palladium free gallium-based alloy (Galloy) compare with a leading spherical high-copper amalgam (Tytin). METHODS: Cylindrical specimens were mechanically condensed, according to the ISO 1559:1986 standard, to measure compressive strength, Vickers hardness, static creep and dimensional change on setting. Disc and beam shaped specimens were manually prepared to assess the diametral tensile and flexural strengths of the investigated alloys. RESULTS: The mean hardness, 1h compressive fracture strength, 24 h diametral tensile and 24h flexural strengths of Galloy were significantly lower (P

Details

Original languageEnglish
Pages (from-to)142-148
Number of pages7
JournalDental Materials
Volume17
Issue number2
Publication statusPublished - 1 Mar 2001