Holly Broadbent Jr.

Birdsall Holly Broadbent Jr. (September 27, 1928 in Cleveland, Ohio – July 9, 2009 in East Hampton, New York) was an American orthodontist known for this contributions to the field of orthodontics.

[3] After graduation from dental school, Broadbent joined his grandfather's practice as an apprentice in a downtown Cleveland office located in the Keith Building.

With him and his father's collaboration, the Bolton-Brush Growth Study Center was established at the Case Western Reserve University School of Dental Medicine whom he served as the director of until his death.

Broadbent is credited with creating the Bolton Standards in 1975[1] (with William Golden) based on X-rays of 16 boys and 16 girls from ages 1 to 18.

[8] In 1999, the American Association of Orthodontists Foundation issued the GAC International Corporate Center Award to Broadbent to index and preserve records from the Bolton-Brush and Broadbent-Bolton growth studies.