Search results
Results from the WOW.Com Content Network
The most common type of tissue-borne expander is known as the Haas Appliance. This appliance was popularized by Andrew Haas in 1961. This appliance involves bands placed on maxillary first premolar and first molars on each side.
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 ...
SARPE is performed to address the transverse dimension changes in a patient. Sometimes this surgery is followed by Le Fort 1 in a second surgery to address the vertical and the anterior-posterior changes. Between the two surgeries, a patient's constricted maxillary arch is expanded with the rapid maxillary expander device placed in the maxilla.
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate
In March 2017 ARCA Space Corporation announced their intention to build a single-stage-to-orbit (SSTO) rocket, named Haas 2CA, using a linear aerospike engine. The rocket is designed to send up to 100 kg into low-Earth orbit, at a price of US$1 million per launch. [ 9 ]
The Haas VF-20 is a Formula One racing car designed and constructed by Haas to compete during the 2020 Formula One World Championship. [1] The car was driven by Romain Grosjean and Kevin Magnussen , who competed for Haas for the fourth consecutive year.
Earle Haas, D.O. (1888–1981) was an osteopathic physician and inventor of the tampon with an applicator, marketed as "Tampax". He graduated from the Kansas City College of Osteopathy in 1918 and spent 10 years in Colorado as a country general practitioner , then went to Denver in 1928.
The generalized mathematical description of multiple-prism beam expanders, introduced by Duarte, [8] is known as the multiple-prism dispersion theory. [1] [3] Multiple-prism beam expanders and arrays can also be described using ray transfer matrices. [9] The multiple-prism dispersion theory is also available in 4 × 4 matrix form.