Dentists recommend that you brush your teeth?

Twice a day
After each and every meal
When you start getting a funny taste in your mouth
Its a personal preference and varies among people

Accidents such as football injuries, car crashes, falls
Self-inflicted brushing trauma
Eating hot and spicy foods
Smoking cigarettes and eating chewing tobacco

28
36
26
32

Sugar directly attacks tooth enamel
Sugar combines with salivary proteins to create a harden layer of film over tooth surfaces
Sugar is converted by bacteria into acid which attacks tooth surfaces
Sugar mechanically abrades tooth surfaces

The name given to bacteria which inhabit the mouth
The name given to the inflammation of the gums
A name made up by advertising agencies to scare consumers into buying their products
Another name for having several cavities at the same time

Creation of sulfur gases by bacteria which feed on residual food particles
Eating of foods like onions, cabbage, and garlic
The release of gases from the stomach
The chemical interaction of food with certain salivary proteins

Dry mouth
Dieting
Hormone fluctuations
All of the above

Brushing twice daily and rinsing with mouthwash after each brushing
Brushing after every meal and using a waterpick device daily
Brushing twice daily and flossing once a day
Flossing every day and rinsing with mouthwash after each floss

A colorless sticky film of bacteria
A colorless sticky film of protein
A colorless sticky film of mucus
A colorless sticky film of bacteria, small particles, proteins, and mucus

To remove bacteria from tooth surfaces
To remove food particles from tooth surfaces
Both A and B
Neither A and B