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This retainer is intended to be adjustable similarly to the traditional Hawley retainer, which is not practical with vacuum-formed retainers. Research shows that Hawley retainers are not effective for preventing incisor irregularity relapse. [4] Hawley retainers also affect speech, especially the d, s, t, and i sounds, however as they are often ...
Charles Augustus Hawley (March 13, 1861 – July 22, 1929) was an American orthodontist who is known for developing the Hawley retainer which is used in the field of Orthodontics. He attended Angle School of Orthodontia and graduated from there in 1905.
Chishti conceived of the basic design of InvisAlign while an adult orthodontics patient. During his treatment with a retainer intended to complete his treatment, he posited that a series of such devices could effect a large final placement in a series of small movements. [9] [10] [23] Sales began in the U.S. in 1999. [4] [11]
Template: Canada image map. 26 languages. ... Clickable map of Canada exhibiting its ten provinces and three territories, and their capitals.
Pages in category "Maps of Canada" The following 8 pages are in this category, out of 8 total. This list may not reflect recent changes. G. Goad map;
Retainer agreement, a contract in which an employer pays in advance for work, to be secured or specified later, when required; Domestic worker or servant, especially one who has been with one family for a long time (chiefly British English) Affinity (medieval), also Retinue, a person or group gathered around in the service of a lord
File:Political map of Canada.svg has 1 translations. Catalan This SVG file contains embedded text that can be translated into your language, using any capable SVG editor, text editor or the SVG Translate tool .
Desmond Sandford "Sandy" Hawley, CM (born April 16, 1949) is a Canadian Hall of Fame jockey. Sandy Hawley was born in Oshawa, Ontario, decided to be a jockey when he was a 17-year-old boy, hotwalking, grooming horses at a Woodbine racetrack in Toronto Ontario. When he was 19 years old, he rode his first race at Woodbine race track as a Jockey.