THE ROOT CANAL PROCEDURE, STEP BY STEP. 1  An opening is drilled through the biting surface to allow access to the tooth pulp. 2  Tooth roots are cleaned and disinfected using special needles and rinsing substances (e.g., sodium hypochlorite, EDTA, and chlorhexidine).
In 1973 the Widowmaker 7 was confirmed as the fastest motorcycle on Earth by Guinness Book of World Records, recording an 8.68-second 1/4 mile run at 172 mph. Obviously it's been dethroned since then, but it's still a cool piece of two-wheeled history. Most Popular.
Commissioned by motorcycle racer, Guy Martin, Rourke built and then Guy Martin rode his bike straight into the record books at an astonishing speed of 112.94 mph.The previous record for a pedal-powered bicycle was 83.13 mph, set by Dutch cyclist Sebastiaan Bowier in September 2013.The record shattering attempt took place at Pendine Sands in South Wales. Guy Martin was towed to a speed of 50 mph and then released, going on to a speed of over 112 mph on his own.ommissioned by motorcycle racer, Guy Martin, Rourke built and then Guy Martin rode his bike straight into the record books at an astonishing speed of 112.94 mph.