Kenneth C. Lynn, who served in the U.S. Public Health Service as a dental officer for 32 years before retiring in 1989, died Jan. 26 at his home in Rockville, Md. He was 89.

The cause was renal failure, said his son Nicholas Lynn.

Mr. Lynn received the Public Health Service’s commendation and meritorious service medals. He was a member of medical and dental organizations, and he served on the editorial board of the Journal of the History of Dentistry.

Kenneth Clyde Lynn was born in Iron City, Ohio, and raised partly in West Liberty, Ohio. He served in the Army in China and Korea during World War II. A year after graduating from Ohio State University’s dental school in 1956, he settled in the Washington area.

 Survivors include his wife of 67 years, Bettylu Hines Lynn of Rockville; and two sons, Christopher Lynn of Holland, Ohio, and Nicholas Lynn of West End, N.C.

— Hoai-Tran Bui