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.
Spot on, letâs get cracking.â. Triumph held the title of âWorld's Fastest Motorcycleâ from 1955 to 1970 with the exception of a brief 33-day period. Martinâs methanol-fuelled streamliner features a carbon Kevlar monocoque construction with two turbocharged 2249cc Triumph Rocket III engines.