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Survey of Certified Amalgam Alloys
g8o
The Journal of the American Dental Association and The Dental Cosmos
take while they were receiving a diet that was nutritionally adequate. Ingestion of lowsugar diets by children is, as a rule, conducive to freedom from dental caries. 7. The most constant differential between caries-free and caries-susceptible individuals, thus far dem onstrated, is that of the relative number of L. acidophilus organisms in the mouth. This correlation is approximately 90 per cent posi tive. 8. An immunologic principle antagonis tic to L. acidophilus has been demonstrated in the blood of caries-free individuals, in whose mouths, as a rule, L. acidophilus does not exist and, when planted therein, promptly disappears. Publications presenting methods and findings: /. D. Res., 13:415, October 1933; J.A.D.A., 20:2130, December 1933; /. Nutrition, 7:657, June 1934; J.A.D.A., 23 : 846, May 1936.
maries w ill separate clearly from many disagreements, abundant mistakes, nu merous irrelevances, multiple republica tions, etc., the findings and conclusions that each worker, regardless of the length of time during which he has labored, the past variations and revisions in his views and the range of his studies, now regards as the outstanding basic results of his experience in this field. T h e compilation will be, in effect, not a series o f abstracts o f individual publications, but, instead, a direct authoritative crystallization of basic findings and conclusions as they now stand in each worker’s studies o f the cause o r o f the control of dental caries. W e hope to receive promptly the effec tive cooperation of all active students of 3. (a) All of these summaries of outdental caries, wherever resident, and to standing actual findings, with biblio be able to report completion of the ini graphic references, and brief and direct tial phase of this effort at the next A n supplementary comment, when the stated nual Session of the American Dental results need interpretation or clarifica Association in October 1938. tion, will be assembled in the alphabetic The general correspondence with ob order o f the names o f the authors ; (b) servers and investigators will be con main findings and conclusions, in the ducted, for the Commission, by the same subdivisions o f the field, will also secretary of the Advisory Committee. be recapitulated in supplementary sum Responses to this invitation m ay be sent m aries; (c) an index of all authors, and to him. o f all findings and conclusions, will be For the Research Commission, by the included, and (d) the compilation will Advisory Committee on Research in be published in toto or effectively ab Dental C a rie s: stracted for publication, as the Commis D aniel F. Lynch, Chairman, 1149 16th sion m ay decide. I f publication of the St., N. W ., Washington, D. C. whole compilation, and its wide distri Charles F. Kettering, Counsellor, bution, should necessitate appeals for philanthropic funds, it is believed ade General Motors Corporation, Detroit, quate support for this public project Mich. would be available. T h e proposed compilation
of sum
W illiam J. Gies, Secretary, 632 West 168th St., New York City.
S U R V E Y O F C E R T IF IE D A M A L G A M A L L O Y S S a m p l e s of all amalgam alloys regu larly certified to the Research Commis sion of the American Dental Association by the various manufacturers as listed herein were procured on the open market
by by at As of
the Research Commission and tested the A.D .A . Research Associates the National Bureau of Standards. of M a y 5, 1938, the following list am algam alloys was found to com
Association Activities ply with American Dental Association Specification No. i . Certified alloys
which did not comply are omitted from this list.
A llo y A ccu rate M etallo y (filings) A ckerm an (filings) A rgen tum ( “ A ” C u t) A ristaloy Banner (filings) Blue D iam ond (filings)
M an u factu rer T h e L . D . C au lk Co. A ckerm an D en tal M fg . Co. H am m ond D en tal M fg . C o. Baker and C o ., Inc. Goldsm ith Bros. S. & R . C o. R eliance D ental M fg . C o.
Brewster M ed ium (shavings) Brewster Q u ick (filings) Brewster Q u ick (shavings)
E. R . S. Brewster
C ap eako (filings) C ertified C oe C resilver D iam ond Edge D ee (filings) Excel F leck’s
Precious M etals R efin in g W orks Lee S. Sm ith & Son M fg . C o. C oe Laboratories, Inc. Crescent D ental M fg . C o. Youn g-B aker C o. T hom as J. D ee & Co. D aniels D ental A llo y Co. M izzy, Inc.
M in im ax (filings)
173
174
(shavings)
173 177
177 178 178 161 180 181 183 161 M in im ax W hite G old & Platinum M ission No. 5 M ission No. 5 “ A ” C u t M ission No. 6 M od eloy (quick setting) (filings) N ey-A loy N ey’s No. 125 O don tograp hic “ Im proved” (filings) Pearlol Preferred C Preferred D Research O rallo y Silver C row n Silver C row n M edium Silverloy (filings) S ilverloy (shavings) Speyer S -C M edium (filings) S -C Q u ick (filings) T ru e D en tallo y (filings) T ru e D en tallo y ( C u t A ) U n iform W hite Beauty
T h e M in im ax Co.
H enry F. Bruce Co. Crescent D ental M fg . Co.
j T h e J. M . N ey Co. O don tographic M fg . C o. W ildberg Bros. S. & R . Co.
j Precious M etals R efin in g W orks Precious M etals Research W orks, Inc. G eneral Refineries, Inc. Crescent D en tal M fg . C o. Speyer Sm elting & R efin in g Co. xStratford-C ookson C o. T h e S. S. W hite D en tal M fg . C o. H enry Nelm s & Son L an g D ental M fg . C o.
The Journal of the American Dental Association and The Dental Cosmos
take while they were receiving a diet that was nutritionally adequate. Ingestion of lowsugar diets by children is, as a rule, conducive to freedom from dental caries. 7. The most constant differential between caries-free and caries-susceptible individuals, thus far dem onstrated, is that of the relative number of L. acidophilus organisms in the mouth. This correlation is approximately 90 per cent posi tive. 8. An immunologic principle antagonis tic to L. acidophilus has been demonstrated in the blood of caries-free individuals, in whose mouths, as a rule, L. acidophilus does not exist and, when planted therein, promptly disappears. Publications presenting methods and findings: /. D. Res., 13:415, October 1933; J.A.D.A., 20:2130, December 1933; /. Nutrition, 7:657, June 1934; J.A.D.A., 23 : 846, May 1936.
maries w ill separate clearly from many disagreements, abundant mistakes, nu merous irrelevances, multiple republica tions, etc., the findings and conclusions that each worker, regardless of the length of time during which he has labored, the past variations and revisions in his views and the range of his studies, now regards as the outstanding basic results of his experience in this field. T h e compilation will be, in effect, not a series o f abstracts o f individual publications, but, instead, a direct authoritative crystallization of basic findings and conclusions as they now stand in each worker’s studies o f the cause o r o f the control of dental caries. W e hope to receive promptly the effec tive cooperation of all active students of 3. (a) All of these summaries of outdental caries, wherever resident, and to standing actual findings, with biblio be able to report completion of the ini graphic references, and brief and direct tial phase of this effort at the next A n supplementary comment, when the stated nual Session of the American Dental results need interpretation or clarifica Association in October 1938. tion, will be assembled in the alphabetic The general correspondence with ob order o f the names o f the authors ; (b) servers and investigators will be con main findings and conclusions, in the ducted, for the Commission, by the same subdivisions o f the field, will also secretary of the Advisory Committee. be recapitulated in supplementary sum Responses to this invitation m ay be sent m aries; (c) an index of all authors, and to him. o f all findings and conclusions, will be For the Research Commission, by the included, and (d) the compilation will Advisory Committee on Research in be published in toto or effectively ab Dental C a rie s: stracted for publication, as the Commis D aniel F. Lynch, Chairman, 1149 16th sion m ay decide. I f publication of the St., N. W ., Washington, D. C. whole compilation, and its wide distri Charles F. Kettering, Counsellor, bution, should necessitate appeals for philanthropic funds, it is believed ade General Motors Corporation, Detroit, quate support for this public project Mich. would be available. T h e proposed compilation
of sum
W illiam J. Gies, Secretary, 632 West 168th St., New York City.
S U R V E Y O F C E R T IF IE D A M A L G A M A L L O Y S S a m p l e s of all amalgam alloys regu larly certified to the Research Commis sion of the American Dental Association by the various manufacturers as listed herein were procured on the open market
by by at As of
the Research Commission and tested the A.D .A . Research Associates the National Bureau of Standards. of M a y 5, 1938, the following list am algam alloys was found to com
Association Activities ply with American Dental Association Specification No. i . Certified alloys
which did not comply are omitted from this list.
A llo y A ccu rate M etallo y (filings) A ckerm an (filings) A rgen tum ( “ A ” C u t) A ristaloy Banner (filings) Blue D iam ond (filings)
M an u factu rer T h e L . D . C au lk Co. A ckerm an D en tal M fg . Co. H am m ond D en tal M fg . C o. Baker and C o ., Inc. Goldsm ith Bros. S. & R . C o. R eliance D ental M fg . C o.
Brewster M ed ium (shavings) Brewster Q u ick (filings) Brewster Q u ick (shavings)
E. R . S. Brewster
C ap eako (filings) C ertified C oe C resilver D iam ond Edge D ee (filings) Excel F leck’s
Precious M etals R efin in g W orks Lee S. Sm ith & Son M fg . C o. C oe Laboratories, Inc. Crescent D ental M fg . C o. Youn g-B aker C o. T hom as J. D ee & Co. D aniels D ental A llo y Co. M izzy, Inc.
M in im ax (filings)
173
174
(shavings)
173 177
177 178 178 161 180 181 183 161 M in im ax W hite G old & Platinum M ission No. 5 M ission No. 5 “ A ” C u t M ission No. 6 M od eloy (quick setting) (filings) N ey-A loy N ey’s No. 125 O don tograp hic “ Im proved” (filings) Pearlol Preferred C Preferred D Research O rallo y Silver C row n Silver C row n M edium Silverloy (filings) S ilverloy (shavings) Speyer S -C M edium (filings) S -C Q u ick (filings) T ru e D en tallo y (filings) T ru e D en tallo y ( C u t A ) U n iform W hite Beauty
T h e M in im ax Co.
H enry F. Bruce Co. Crescent D ental M fg . Co.
j T h e J. M . N ey Co. O don tographic M fg . C o. W ildberg Bros. S. & R . Co.
j Precious M etals R efin in g W orks Precious M etals Research W orks, Inc. G eneral Refineries, Inc. Crescent D en tal M fg . C o. Speyer Sm elting & R efin in g Co. xStratford-C ookson C o. T h e S. S. W hite D en tal M fg . C o. H enry Nelm s & Son L an g D ental M fg . C o.