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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 ...
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.
Aubrey Plaza’s husband, director Jeff Baena, has died. He was 47. The Los Angeles County Medical Examiner confirmed his death and that he died by suicide at his home on Jan. 3, according to ...
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Detroit landlords who own duplexes can get as much as $15,000 per unit for repairs or $750 rebates after bringing properties up to code. New program offers grants to Detroit landlords to repair ...
Keanu Reeves' stolen luxury watch collection — which includes a $9000 Rolex — has been located by police in Chile, according to a report.. Local police confirmed that they found an engraved ...
Hydraulic hybrid vehicles (HHVs) use a pressurized fluid power source, along with a conventional internal combustion engine (ICE), to achieve better fuel economy and reductions in harmful emissions. They capture and reuse 70–80% of the vehicle's kinetic braking/decelerating energy and potential descending energy [ 1 ] compared to 55% for ...