H. Trendley Dean

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H. Trendley Dean
H-Trendley-Dean.jpeg
Born Henry Trendley Dean
(1893-08-25)August 25, 1893
Died May 13, 1962(1962-05-13) (aged 68)
Nationality American
Alma mater St. Louis University
Occupation Dentist
Known for Work on water fluoridation
Title Director of National Institute of Dental Research
Term 1948–1953
Successor Francis A. Arnold, Jr.
Dean receives the Gorgas Award for 1949.

Henry Trendley Dean (August 25, 1893 – May 13, 1962), was the first director of the U.S. National Institute of Dental Research and a pioneer investigator of water fluoridation in the prevention of tooth decay.

Dean was born in Winstanley Park, Illinois (now part of East St. Louis) on August 25, 1893,[1] the son of William Ware and Rosalie Harriet Dean; his mother's maiden name was Trendley. He received his dental degree from St. Louis University in 1916 and entered private practice that year in Wood River, Illinois. During World War I, he served with the United States Army until 1919, when he returned to his practice.[2] Dean married Ruth Martha McEvoy on September 14, 1921. In 1921, he also entered the United States Public Health Service[3] and was stationed in several US Marine Corps hospitals until 1931 when he was placed in charge of dental research at the National Institute of Health, advancing to director of the dental research section in 1945. After World War II, he directed epidemiologic studies for the Army in Germany. When Congress established the National Institute of Dental Research in 1948, Dean was appointed its director, a position he held until retiring in 1953.

Dean's legacy comes almost entirely from his research into fluoridation. At the urging of Dr. Frederick McKay and others concerned with the brown-staining of teeth in certain regions of the country, Dean was asked to make this his first assignment at the Institute in 1931.[4] With the help of his fellow investigators and the cooperation of dentists and other health workers in the field, it was established that high amounts of fluoride in drinking water caused mottled enamel on the teeth, while at the same time precipitating lower rates of dental caries (cavities). The rest of Dean's professional life was spent finding the optimal level of fluoride that would prevent tooth decay yet avoid staining teeth. In 1952, McKay and Dean were presented with a Lasker Award by the American Public Health Association for their work with fluoride.[5]

After his retirement, Dean joined the American Dental Association as Secretary of its Council on Dental Research.[6] In this role, he continued to advocate and defend the addition of fluoride to public drinking water. He was frequently called to speak on the subject in the United States and abroad, mostly to refute the arguments of those who opposed water fluoridation. In 1949, he was presented with the Gorgas Medal from the Association of Military Surgeons of the United States (AMSUS).[7][8] He died in 1962, after a long battle with asthma and emphysema.

The International Association for Dental Research has an award named after Dean, called the H. Trendley Dean Memorial Award, recognizing meritorious research in epidemiology and public health.[9][10]

Notes[edit]

  1. ^ "Know America". The News. Frederick, Maryland. August 25, 1960 – via Newspapers.com.  free to read
  2. ^ "H. Trendley Dean, D.D.S.". Morbidity and Mortality Weekly Report. Centers for Disease Control and Prevention. 48 (41): 935. October 22, 1999. 
  3. ^ "Dr. Dean to Helena, Mont.". Alton Evening Telegraph. July 29, 1921 – via Newspapers.com.  free to read
  4. ^ Smith, Delos (November 5, 1952). "Science At Work". Albany Democrat-Herald. United Press – via Newspapers.com.  free to read
  5. ^ "Six Scientists Awarded For Medical Achievements". Albuquerque Journal. International News Service. October 6, 1952 – via Newspapers.com.  free to read
  6. ^ "Effective, Safe". Bennington Banner. April 30, 1956 – via Newspapers.com.  free to read
  7. ^ Strack, Joseph George (January 1950). "℞ for Living: Dr. H. T. Dean – Public Health Officer" (PDF). TIC Magazine. pp. 10–13. 
  8. ^ "Gorgas Award to Dr. Dean". American Journal of Public Health and the Nation's Health. 39 (7): 963. July 1949. doi:10.2105/AJPH.39.7.959. 
  9. ^ "H. TRENDLEY DEAN MEMORIAL AWARD". International Association for Dental Research. Retrieved September 29, 2016. 
  10. ^ Armstrong, WD (November–December 1967). "H. Trendley Dean Memorial Award for research in epidemiology ad dental caries. Fluoride interrelations in calcified and soft tissues.". J Dent Res. 46 (6): 1233. PMID 4865579. 

References[edit]