I could probably become a vegetarian if one day I have no teeth left, which is why I need to stay stocked up on dental floss.Speaking of teeth, why is it that teeth cleaning only really came on the dental scene in the late ‘70s, 1980s? I grew up and never had them cleaned. In my generation, dental hygiene consisted of brushing your teeth twice a day. Period. If you were a kid, this meant 30 seconds in the morning, and 30 seconds in the evening. Dental floss and dental hygienists were virtually unknown.Then in the early1980s, regular teeth cleaning ...