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J Dent Res 29(3): 396-400, 1950
© 1950 International and American Associations for Dental Research
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SOME MECHANICAL CHARACTERISTICS OF AMALGAMATORS

N. 0. TAYLOR PH.D.1, W. T. SWEENEY A.B.1, and D. B. MAHLER M.S.1

1 University of Michigan, School of Dentistry, Ann Arbor, Mich.

1. Mechanical mixers operated on handpieces, being so variable in performance, are not recommended for use if an operator hopes to produce high grade restorations consistently.

2. The Flossy Amalgamator showed poor timing control and variations in motor speed.

3. The Wig L Bug was only slightly affected by voltage variations, but practical experience with it indicated that it should not be used for mixes larger than 12 grains of alloy.

4. The Rose Mixer has the same load limit as the Wig L Bug. The timing device is quite uniform for loads of 12 grains.

5. It is suggested that the best way to use an amalgamator in the absence of specific directions for the use of the alloy at hand would be to make several mixes by hand and then make several mixes under varying conditions with the machine. Then by comparing the satisfactory mix obtained by hand with the mechanical mixes, the time and conditions can be fairly well established.

Submitted on September 27, 1949






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