Treatments for gum disease vary from medication to surgery. Learn more about the options.
(plural maiden flights) The first flight of an airplane or other airborne vehicle, usually used to test or demonstrate the functions of the systems. The manufacturer's CEO was confident enough to ride as a passenger on the airship's maiden flight.
Takeoff is the phase of flight in which an aerospace vehicle goes from the ground to flying in the air. For aircraft that take off horizontally, this usually involves starting with a transition from moving along the ground on a runway.