Tooth or Fiction: Dental Myths Quiz
How much of what you know about dental hygiene is true, and how much is myth? "Brush up" on your dental know-how with our 20-question quiz.
Bacteria in your mouth feed on carbohydrates and produce what tooth-damaging byproduct?
True or False: You'll always know if you have tooth decay.
At what angle should you hold your toothbrush for the most effective brushing?
- 15 degrees
- 45 degrees
- 90 degrees
You might have heard that putting aspirin directly on an aching tooth is a bad idea, but why?
- Aspirin can be poisonous if it dissolves in your mouth.
- Aspirin can dissolve the enamel on your teeth.
- Aspirin can cause acid burn to your lips and gums.
Which of the following is better for your teeth?
- replacing brushing with a plaque-removing mouth wash
- brushing rapidly once a day with a firm-bristled brush
- brushing a few times a day with a soft-bristled brush
Which of the following is NOT a possible cause of bad breath?
- poor dental hygiene
- not showering
Bleeding gums while brushing is often caused by what?
- brushing too often
- irritation from plaque and food particles along the gum line
- allergies to certain toothpastes
True or False: Teeth whitening products can irritate the gums.
How often should you brush your teeth?
- once a day
- two or three times each day
- as often as possible
Which of the following is NOT a possible effect of teeth bleaching?
- tooth sensitivity
- weakened tooth enamel
- a brighter, whiter smile
True or False: Eating acidic foods can damage your teeth.
True or False: Bleaching your teeth too often can make them appear translucent.
Which type of tooth surface is most likely to develop decay?
- a tooth with a smooth surface
- a tooth with big gaps
- a tooth with small gaps
True or False: If your gums bleed when you brush your teeth, you should stop brushing until they heal.
How long should you brush your teeth each time?
- no longer than a minute
- ten minutes or more
- at least two minutes
True or false: If someone's breath stinks, it means they have poor oral hygiene.
How does aspirin work to stop tooth pain?
- It blocks the release of prostaglandins, which send pain messages to the brain.
- It promotes the release of endorphins, which stimulate the pleasure centers of the brain.
- It numbs the nerve endings in the tooth, preventing the transmittal of pain messages to the brain.
The most effective way to relieve the pain of a toothache using aspirin is to do what?
- Place the aspirin directly on the aching tooth.
- Take the aspirin orally, according to the directions.
- Dissolve the aspirin in water and swish the water around in your mouth.
Why is it a bad idea to hold slowly-dissolving candies in your mouth for a long time?
- The longer the candy is in your mouth, the more likely you are to chip a tooth on it
- Slowly dissolving candies allow sugar to stay in contact with your teeth for a long time, which gives bacteria more time to feed.
- Sugar erodes the enamel on your teeth, so the longer the sugar is in your mouth the longer it has to damage your teeth.
True or False: When it comes to tooth decay, it's not about the amount of sugar you eat, it's about how long that sugar is in contact with your teeth.