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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.
Viggo Andersen first used this appliance on his daughter's mandibular teeth in the summer of 1908. He took the mechanical braces off from his daughter, and he had her wear the "Biofunctional Retainer" throughout the summer in the mandibular arch. The maxillary arch received Hawley retainer. After a while, Viggo realized that her daughter's ...
Hawley Products Company is a manufacturer of loudspeaker components. The company is the oldest manufacturer of loudspeaker diaphragms in the world. [1] Historically, the company produced a variety of products composed of fibrous or plastic materials, including helmets, globes, microwave trays, automotive components, suitcases, and furniture. [2]
Rexdale was named after local real estate developer Rex Heslop, who purchased farmland in the area in 1955 for a cost of $110,000, and installed water mains, streets and sewers, as well as houses that listed for sale at either $9,000 or $10,000. The homes sold well, and soon 330 families were living in the development.
City of Toronto (Toronto Transportation) York Region: Length: 59.3 km (36.8 mi) (two sections: 3.9 km (2.4 mi) in Toronto and 55.4 km (34.4 mi) in York Region) South end: Lake Shore Boulevard (continues west as Lake Shore) Major junctions: Queen Street Kingston Road Gerrard Street Danforth Avenue O'Connor Drive-----Road Breaks-----Steeles ...
O'Connor–Parkview is a neighbourhood in the East York area of Toronto, Ontario, Canada.While the name is taken from the definition used by the city of Toronto, local residents are more familiar with the niche areas that define the larger neighbourhood.
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.