What are incisors?
these front teeth are used for cutting food.
What is enamel?
The hard white outer layer of a tooth.
What are bacteria?
This common sugar-feeding organism causes tooth decay.
What is mechanical digestion?
Chewing food with teeth is called this type of digestion.
What are canines?
These pointed teeth tear and rip food.
What is dentine?
The thick, bone-like material under the enamel.
What is acid?
Bacteria produce this substance that damages enamel.
What is peristalsis?
This wavelike muscle movement pushes food down the oesophagus.
What are molars?
These teeth crush and grind food at the back of the mouth.
What is the pulp?
The soft region in the center containing blood vessels and nerves.
What is plaque?
This sticky layer forms on teeth and contains bacteria.
What is surface area?
Mechanical digestion increases this, helping enzymes work faster.
What are premolars?
These teeth are located between canines and molars and help crush food.
What is the root?
The part of the tooth that anchors it into the jaw.
What is brushing teeth?
One way to prevent tooth decay.
What is a bolus?
The tongue helps in forming this, which is swallowed.
What is 32?
Humans typically have this many permanent teeth.
What is the periodontal membrane?
The tissue that holds the tooth firmly in the socket.
What is enamel?
Fluoride helps prevent decay by strengthening this layer.
What is amylase?
Saliva moistens food and contains this enzyme that starts digestion.