Dr. John O. Butler was an American

dentist A dentist, also known as a dental surgeon, is a health care professional who specializes in dentistry (the diagnosis, prevention, management, and treatment of diseases and conditions of the mouth, oral cavity and other aspects of the craniofaci ...

and periodontist in

Chicago, Illinois (''City in a Garden''); I Will , image_map = , map_caption = Interactive Map of Chicago , coordinates = , coordinates_footnotes = , subdivision_type = Country , subdivision_name ...

, and founder of the John O. Butler Company, manufacturer of

toothbrushes A toothbrush is an oral hygiene tool used to clean the teeth, gums, and tongue. It consists of a head of tightly clustered bristles, atop of which toothpaste can be applied, mounted on a handle which facilitates the cleaning of hard-to-reach are ...

, dental floss in 1923 and sundry oral-care products under the Butler and GUM brand names. The company was purchased in 1988 by

Sunstar Group Sunstar is a Japanese global oral care, health and beauty, chemicals, and motorcycle parts Conglomerate (company), conglomerate with international affiliates. The corporation has two main wings, healthcare and engineering, each with its own CEO. ...

, a major Japanese manufacturer of personal care products and other diversified products including devices for improved air quality. In 2006 the John O. Butler Company adopted the name of its parent company, although the brand names Butler and GUM are still in use. John O. Butler Company provided Sunstar with both knowledge and access to the U.S. market. Sunstar provided John O. Butler with production methodology and technical assistance. GUM brand history
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References

People from Chicago American dentists Year of birth missing Year of death missing Periodontists {{US-med-bio-stub