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Hayes Nance (August 14, 1893 – April 3, 1964) was an American orthodontist known for his contributions to topics related to mixed dentition. Nance is known for developing serial extraction in United States, as well as pioneering the development of the Nance Appliance.
[1] [2] In the 1940s the technique was popularised in the United States by Hayes Nance [3] as “planned and progressive extraction”. Nance is known as the Father of serial extraction in the United States. [4] In 1970 Hotz in Switzerland called it active "supervision of teeth by extraction." [5]
Cooper recommends that at around age 7 or 8, children visit an orthodontist for an evaluation. Hayes said regular care from a pediatric dentist also can help identify problems at an early age.
Edward Hartley Angle (June 1, 1855 – August 11, 1930) was an American dentist, widely regarded as "the father of American orthodontics". [1] He was trained as a dentist, but made orthodontics his speciality and dedicated his life to standardizing the teaching and practice of orthodontics.
Charles Henry Tweed (June 24, 1895 – January 11, 1970) was an American orthodontist known for many of his contributions to the field of orthodontics. He was a founder of the Charles H. Tweed Foundation for Orthodontic Research. Tweed a student of Edward Angle in Pasadena, California and a classmate of Raymond Begg.
A quad helix (or quadhelix) is an orthodontic appliance for the upper teeth that is cemented in the mouth.It is attached to the molars by 2 bands and has two or four active helix springs that widen the arch of the mouth to make room for crowded teeth, or correct a posterior cross-bite, where lower teeth are buccal (outer) than upper teeth. [1]
Activator Appliance is an Orthodontics appliance that was developed by Viggo Andresen in 1908. This was one of the first functional appliances that was developed to correct functional jaw in the early 1900s.
This article lists different types of expanders that are available for the process of palatal expansion in the field of orthodontics. [1] [2] There can be many types of transverse dimension appliances. These appliances can be used to achieve expansion in the maxillary arch; there are devices for mandibular expansion or lower expansion too. In ...