ANTIQUE TOOTHBRUSH
When did brushing one's teeth everyday become a regular habit in the United States? Not until after World War II. While mass-produced toothbrushes were available before that time, everyday tooth brushing was not the norm until soldiers in World War II were instructed on daily brushing habits.
Did you know that people tend to chew their food on the same side of their mouth as the hand they write with? So, left handers tend to chew their food on the left side and right handers tend to chew their food on the right side. Perhaps ambidextrous handers chew their food on both sides?
Did you know that the most valuable tooth in the world belonged to Sir Issac Newton? It was purchased for $4,560 and used as a ring.
According to historians, the earliest dentist known by name was Hesi-Re, who lived in Egypt more than 5,000 years ago.