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Dental floss is an ancient invention. Researchers have found dental floss and toothpick grooves in the teeth of prehistoric humans. Levi Spear Parmly (1790-1859), a New Orleans dentist is credited as being the inventor of modern dental floss (or maybe the term re-inventor would be more accurate). Parmly promoted flossing with a piece of silk thread in 1815.
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Does dental floss expire?
Yes. Dental floss the expire. About 3 years regular. But the flavor will be dispear with the time. So the flavor will keep about 1 year. If the biodegradable dental floss, the expire will be within 1 year. The strength will be less and less with time pass.
How many miles of dental floss are bought each year in North America?
More than 3 million miles of dental floss are bought each year in North America - an average of 18 yards per person.
What year was candy floss invented?
Cotton candy (Candy Floss) was first recorded in the 16th century.
What year was the first mini car manufactured?
The first year of production was 1959.
How do you protect your teeth and gums?
If you are speaking generally, then you r best protection for good dental health is brush and floss ! Visit a dentist at least once a year for a check up and cleaning.
In what year was the first edition of modern dental assisting published?
The first edition of Modern Dental Assisting was published in 1976.
What year was the first Australian car manufactured?
The first petrol-driven car manufactured in Australia, was built in 1897.
What is the first year the manufactured the ford Torino?
1968
What year did ford make its first vehicle?
The first car was manufactured in 1908
In what year were Barbie dolls first manufactured in China?
1986
what year manufactured?
what year manufactured
What year was the first Ford Mustang convertible manufactured and has there been a model every year between then and now?
The first Ford Mustang was manufactured in 1964 . There was a gap in Mustang Convertible manufacturing from 1974 to 1983.
