The findings of the research, based on interviews and dental examinations of children across the country, will be used to reinforce the message to youngsters, that if they take good care of their teeth most dental disease can be prevented.

BBC: Dentist

That means its dentists often treat bone loss and gum disease and install a lot of false teeth.

FORBES: Magazine Article

And now a word about teeth and the unappetizing subject of gum disease.

NPR: Study Links Pot Smoking to Gum Disease

"Many people with bad teeth also may have risk factors for heart disease, " Quyyumi said.

CNN: Brush your teeth, save your life?

If you are removing it for prevention of tooth decay or periodontal disease such as gingivitis, which destroys the root and makes the teeth fall out then I believe it's best at night.

WSJ: How to Be a Better Flosser