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.
The fastest average speed records are: 1  Solo man: Christoph Strasser, 2014, who averaged 16.42 mph (26.425 km/h) riding 3,020 miles (4,860 km) in 7 days, 15 hours, and 56 minutes. 2  Solo woman: Seana Hogan, 1995, who averaged 13.23 mph (21.3 km/h) riding 2,912 miles (4,686 km) in 9 days, 4 hours, 2 minutes.