BABY & ADULT TEETH
How many teeth are in a complete set of baby teeth?
20
Which teeth are at the front of the mouth and cut food?
Incisors
What is the thin layer of bacteria on teeth called?
Plaque
How many times a day should you brush at least?
Twice
Which ancient civilization reportedly used eggshells in toothpaste?
Ancient Egyptians
At what age do baby teeth usually begin to emerge?
Six to twelve months
Which pointed teeth tear and rip food?
Canines
What do plaque bacteria make when they break down sugars?
Acid
About how long should each brushing session last?
Two minutes
Name one unusual ingredient reportedly used by ancient Egyptians.
Eggshells or ox hooves
Around what age do baby teeth begin to fall out?
Five or six years
Which adult teeth have two cusps and crush food?
Premolars / bicuspids
What is the hard outer layer of a tooth called?
Enamel
Which toothpaste ingredient helps protect teeth?
Fluoride
Which animal's hooves were reportedly used in ancient toothpaste?
Ox
How many teeth are in a complete adult set?
32
Which wide teeth have several cusps and grind food?
Molars
What are the little holes caused by tooth decay called?
Cavities
After brushing, what should you do instead of rinsing?
Spit the toothpaste out
Which civilization reportedly used oyster shells in toothpaste?
Romans
What are the four extra adult teeth sometimes called?
Wisdom teeth
How many canines are in a complete baby or adult set?
Four
Name two inner parts that can be damaged if decay progresses.
Dentine and pulp
What tool cleans between teeth that are close together?
Dental floss
Name one everyday function of teeth besides chewing.
Speaking clearly or smiling