Holly Broadbent Jr.

Birdsall Holly Broadbent Jr. (September 27, 1918 - July 9, 2009) was an American Orthodontist known for this contributions to the field of Orthodontics. He co-developed Bolton Standards along with his father Birdsall Holly Broadbent Sr.

He was born in Cleveland, Ohio. He was son of Holly Broadbent Sr. and great-grandson of Birdsall Holly, a leading inventor in 1800s. He attended Shaker Heights High School after which he received his Bachelor's and his Dental Degree from Case School of Dental Medicine. After graduation from dental school, he joined his father's practice as an apprentice in a downtown Cleveland office. In addition, he was the member of the Case Western Reserve faculty for around 50 years. until his death. With him and his father's collaboration, the Bolton-Bush 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.

Him and his father are credited for publishing the Bolton Standards in 1975, which was based on X-rays of 16 boys and 16 girls from ages 1 to 18.

He died in 2009 at the age of 81 and is survived by his wife Jacqueline Owens and daughters Meredith Broadbent Riedel and Elizabeth Parsons Broadbent.

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