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.
Herbert James Burt Munro (Bert in his youth; 25 March 1899 â 6 January 1978) was a New Zealand motorcycle racer, famous for setting an under-1,000 cc world record, at Bonneville, 26 August 1967.This record still stands; Munro was 68 and was riding a 47-year-old machine when he set his last record. To qualify he made a one-way run of 305.89 km/h (190.07 mph), the fastest-ever officially-recorded speed on an Indian. 2  The unofficial speed record (officially timed) is 331 km/h (205.67 mph) for a flying mile. 3  In 2006, he was inducted into the AMA Motorcycle Hall of Fame.