The equations of dental amalgamator motions for relative capsule and charge velocities are derived at impact as a function of the ratio of capsule length to amalgamator amplitude, independent of triturator speed. The best theoretical conditions for amalgam trituration occur near a ratio of πl2.
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References
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Eames, W.B.: A Comparison of Nine Amalgamators, abstracted, IADR Program and Abstracts of Papers, No. 233, 1969.
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Lautenschlager, E.P., and Harcourt , J.K.: Unpublished results.