Creating a buttonless casting by using preformed wax sprues.
Calculating precisely the amount of metal in a casting has major advantages over traditional methods. Eliminating guesswork permits making a casting without a button, which in turn facilitates the use of a larger percent of new metal with subsequent castings. This article gives details for calculating the amount of metal to be used.
Dental Laboratory, Bolling Air Force Base, Washington, DC, USA.
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D003722:Dental Alloys; D003735:Dental Casting Technique / Q000295:instrumentation*; D006801:Humans
D003722:Dental Alloys