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.
Motorcycling: TT race's fastest rider dies after 160mph accident. The death of David Jefferies during practice yesterday afternoon has cast a cloud over the Isle of Man TT racing festival, which begins tomorrow in Douglas. The Yorkshireman was nine times a race winner and the holder of the outright lap record, at an average speed of 127.29mph, around the tortuous Mountain Course.