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The most common tooth-borne expander is known as the Hyrax (hygienic rapid expander) or Biedermann appliance. This appliance was developed by Bidermann. Hyrax is also known as the "hygienic appliance" because it does not lead to irritation of tissues due to the absence of palatal acrylic.
A palatal expander Upper and lower jaw functional expanders. A palatal expander is a device in the field of orthodontics which is used to widen the upper jaw [1] so that the bottom and upper teeth will fit together better. [2] [3] This is a common orthodontic procedure. The use of an expander is most common in children and adolescents 8–18 ...
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Michelle, 60, has often sat near former President Bush, 78, at other public events in which all living presidents gather, such as funerals for high-profile U.S. politicians.
Relatives of missing men who want to provide family DNA reference samples for the effort to identify remains can contact the Indiana State Police missing persons hotline at 833-466-2653 or the ...
Parapliohyrax is an extinct genus of large hyracoid, a group today represented only by the diminutive hyraxes, but showing in fossil archives a large diversity in ecology and morphology. Parapliohyrax lived during the Miocene period, in various localities spanning the entirety of the African continent.
Hyracodon ('hyrax tooth') is an extinct genus of perissodactyl mammal. H. nebraskensis skull, found near Hermosa, South Dakota. It was a lightly built, pony-like mammal of about 1.5 m (5 ft) long. Hyracodon's skull was large in comparison to the rest of the body.