Microstructure of recast Ni-Cr-Mo alloy, recasted (a) Once, (b) Twice, and (c) Thrice

Microstructure of recast Ni-Cr-Mo alloy, recasted (a) Once, (b) Twice, and (c) Thrice

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Many dental alloy manufacturers instruct not to recast alloys, but the dental laboratories reuse the casting surplus for economic reasons. It is a controversial topic in dental practice, so the present study attempts to assess the effects of recasting Ni-Cr-Mo alloys. Three sets of alloy pellets were recast. The first set was melted and allowed to...