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The most favorable morphologic factors for serial extraction include class 1 malocclusion, a favorable morphogenetic pattern – one that does not change, a flush terminal plane or a mesial step relationship of the primary second molars, minimum overjet and minimum overbite.
School dentist examining children's teeth. Netherlands, 1935. A child getting a filling at the dentist. Malmö National Dental Service 1989.. Pediatric dentistry (formerly pedodontics in American English or paedodontics in Commonwealth English) is the branch of dentistry dealing with children from birth through adolescence. [1]
He also designed the first tricycle landing gear used on a large plane, invented a self-sealing fuel tank, and switched Douglas's fuselage construction from extrusion to sheet metal rolling. [4] Pavlecka and his department also invented flush riveting for which Pavlecka was assigned the patent. [ 5 ]
179 people killed in plane crash at South Korea airport. The deadliest plane crash of the year has killed 179 people, with only two survivors.
An Ohio man allegedly slammed a 15-month-old girl on the floor after she wouldn’t stop crying, fracturing her skull. Two weeks later, she died of her injuries.
An NTSB diagram of Flight 405's attempted takeoff, showing it veered off the left of the runway and hit a water pump. The aircraft took off from Jacksonville International Airport, Florida, several hours before the accident, although the departure from Jacksonville was delayed by poor weather over New York and the removal of the baggage of a passenger who decided not to board the jet.
Firefighters and rescue team members work near the wreckage of a passenger plane at Muan International Airport in South Korea on December 29, 2024. (Ahn Young-joon/AP)
May 29 United Airlines Flight 521 crashed after aborting takeoff, 43 of the 48 aboard were killed. [2]August 8 American Airlines Flight 765, a cargo flight, crashed into Flushing Bay while returning to LGA due to engine problems, both pilots and one passenger of the 5 aboard died.