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Epigraphs Note on Terminology Acknowledgments Introduction

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70. P. C. Lowery to C. Kettering, Kettering Office Files 1937, “L”, 87-11, 1-412,<br />

Scharchburg Archive.<br />

71. “Armed with a letter from Dr. Weidlein of Mell<strong>on</strong> Institute to Mr. A. W.<br />

Mell<strong>on</strong>, he [Friesell] went to Washingt<strong>on</strong> to enlist the support of the Public<br />

Health Service. Mr. Mell<strong>on</strong> referred him to Surge<strong>on</strong> General Cummings.”<br />

Letter from H. V. Churchill of Alcoa to Dr. Frederick McKay of the Rockefeller<br />

Foundati<strong>on</strong>, May 20, 1931, discussing the role of H. E. Friesell, dean<br />

of the University of Pittsburgh’s Dental School. Alcoa Documents, Wisc<strong>on</strong>sin<br />

Historical Society. Friesell sought to have naturally occurring dental<br />

fluorosis studied in Ariz<strong>on</strong>a, by University of Ariz<strong>on</strong>a scientists H. V. and<br />

Margaret Smith (far from the industrial centers of the East).<br />

See also the letter of August 6, 1930, from C. T. Messner of the Public<br />

Health Service to Friesell: “You are probably aware of the fact that the U.S.<br />

Public Health Service is a Bureau in the Treasury Department therefore, it<br />

might be advisable, especially as our Secretary is from your city, to also urge<br />

his endorsement of this program. The slightest interest <strong>on</strong> his part would<br />

influence the Service to a great degree in taking up this problem. I am sure<br />

you will hold this statement in strict c<strong>on</strong>fidence . . . after your letter is received<br />

here I will keep you advised as to how things are going al<strong>on</strong>g.” File 9, Box<br />

2, McNeil Collecti<strong>on</strong>, Wisc<strong>on</strong>sin State Historical Society.<br />

The following year, in the spring of 1931, the same Captain C. T. Messner<br />

at the Public Health Service told H. Trendley Dean he would be studying<br />

mottled enamel. Dean stated that he was “assigned” to c<strong>on</strong>duct the epidemiological<br />

studies that resulted in the key “fluorine caries hypothesis,”—the<br />

scientific basis for U.S. water fluoridati<strong>on</strong>. See D<strong>on</strong> McNeil interview with<br />

Dean, May 3, 1955, in File 13, Box 2, McNeil Collecti<strong>on</strong>, Wisc<strong>on</strong>sin State<br />

Historical Society.<br />

72. How l<strong>on</strong>g Alcoa had known that fluoride produced dental mottling is not<br />

clear. (Alcoa was also c<strong>on</strong>cerned that the bad teeth in its company town of<br />

Bauxite would be linked to aluminum salts and further tarnish the public<br />

image of aluminum kitchenware. See McNeil, The Fight for Fluoridati<strong>on</strong>,<br />

p. 27.) Perhaps it was coincidence that the Alcoa chemist H. V. Churchill’s<br />

1931 correlati<strong>on</strong> of bad teeth with fluoride-c<strong>on</strong>taminated well water in the<br />

company town of Bauxite appeared in the scientific press just weeks before<br />

separate studies c<strong>on</strong>firming fluoride’s link to mottled teeth were also published<br />

(by Smith and by Velu). What is certain, however, is that as so<strong>on</strong> as<br />

fluoride’s links to mottled teeth were public knowledge, Alcoa privately<br />

c<strong>on</strong>firmed that dental fluorosis was also found near its aluminum smelter<br />

in Massena, New York. See earlier note.<br />

73. H. T. Dean, “Chr<strong>on</strong>ic Endemic Dental Fluorosis (Mottled Enamel),” JAMA,<br />

vol. 107 (1936), pp. 1269–1272.<br />

74. “Ordered” and “hunch” quoted from D<strong>on</strong> McNeil interview with Dean,<br />

May 3, 1955. Dean told McNeil that in 1931, before he began his work, he<br />

“had a hunch” there would be fewer cavities in mottled teeth. McNeil Collecti<strong>on</strong>,<br />

Box 2, File 13. It is not known how Dean arrived at this hunch. Nor

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