How many sets of teeth do humans have in a lifetime?
Two: baby teeth and permanent teeth
How long should you brush your teeth each time?
Two minutes
What’s worse for your teeth: sipping soda all day or drinking it all at once?
Sipping all day, longer acid exposure
What causes tooth sensitivity?
Worn down enamel or exposed roots, leading to cavities
What mineral in enamel makes it strong?
Calcium
What’s the hardest substance in the human body?
Tooth enamel
True or False: Brushing harder cleans better
False
Name one food that helps clean your teeth naturally.
Apples, carrots, or celery
If your gums bleed when brushing, what condition might you have?
Gingivitis
How many layers does a tooth have?
Three: enamel, dentin, and pulp
What are the four main types of teeth?
Incisors, canines, premolars, molars
How often should you replace your toothbrush?
Every 3–4 months
What common breakfast drink can stain teeth over time?
Coffee or hot tea
What’s the technical term for tooth decay?
Dental caries
What chemical in toothpaste helps prevent cavities?
Fluoride
What is the visible part of the tooth called?
The crown
When is the best time to brush your teeth, before or after breakfast?
Before breakfast, then wait 30 minutes before eating
Name one acidic drink that can erode enamel even if it’s sugar-free
Sports drinks, sparkling water, diet soda
What should you do if your tooth gets knocked out?
Put it in milk or saliva and see a dentist immediately
What’s the purpose of dental sealants?
Protect teeth from decay
Which part of the tooth contains blood vessels and nerves?
The pulp
What angle should you hold your toothbrush at to clean the gumline?
45 degrees
What natural drink helps rinse food and acids off your teeth after eating?
Water
What’s the main cause of bad breath?
Bacteria in the mouth
What kind of chemical reaction happens when acid attacks enamel?
Demineralization (loss of minerals from enamel)