If done properly and daily, the length of floss used in a year should be 122 yards. Only 18 yards are sold per person.
Source: Wilson C, Get Up, Dress Up, Show Up, Never Give Up (Editorial), Oral Hygiene, November 2013, pg 5.
Hans Skariah, B.Sc., DMD
Promenade Court Dental
2233 Hurontario St., Mississauga, ON, Canada (905) 273-7100
43 Albert St. West, Unit 8, Plattsville, ON, Canada (519) 998-7153