A periodontist is a dentist who specializes in the prevention, diagnosis, and treatment of periodontal disease, and in the placement of dental implants. Periodontists are also experts in the treatment of oral inflammation.
Ground speed. Ground speed is the horizontal speed of an aircraft relative to the ground. An aircraft heading vertically would have a ground speed of zero. Information displayed to passengers through the entertainment system often gives the aircraft ground speed rather than airspeed.
A fast quarter horse can run about 45mph. at top speed, but this only lasts for a few seconds. Petro Jay, running 6 furlongs at Turf Paradise, AZ, had a time of 1:07.2 and ran 40.18 mph. Thoroughbred The average horse doe run at about 25 mph.est Answer: â¦ the thoroughbred can run â¦ a mile (1.6 kilometers) in about 1 and 1/2 minutes. The American Quarter Horse is the king of speed.