Tooth brushing

Tooth brushing

Careful tooth brushing is an important part of oral hygiene.



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Tools for tooth brushing

  • dental floss
  • mouthwash
  • toothpaste
  • toothbrush
  • cup for tooth brushing

Decayed tooth

  • crown
  • tooth neck
  • root
  • tooth enamel
  • dentine
  • decayed part
  • cementum
  • gum
  • vein/nerve

Tooth brushing

Oral cavity

  • teeth - Humans have 20 milk teeth during infancy. The number of permanent teeth is 28-32.
  • tongue - A muscular organ with a characteristic shape. It plays an important role in chewing, forming a bolus, as well as in speech and the formation of some facial expressions.
  • gum - A mucous tissue that covers the bones into which the teeth are fixed.
  • hard palate - A bony plate covered with mucous membrane at the front of the roof of the mouth.
  • soft palate - The soft tissue that forms the back of the roof of the mouth. It separates the oral cavity from the nasal cavity.
  • uvula - A conic projection at the back of the soft palate, covered by mucous membrane. Its primary function is to prevent food from entering the nasopharynx.
  • vestibule - The part of the oral cavity found between the teeth and the cheeks.

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Human teeth

Humans have 4 types of teeth: incisors, canines, premolars and molars.

Connective tissues

Connective tissues include loose and dense connective tissues, adipose tissue, blood, tendon and bone tissue.

Dentition of mammals

The dentition of different species of mammals reflect their feeding habits.

How does it work? - Washing machine

This animation demonstrates how a washing machine works.

Oral cavity, pharynx and oesophagus

The first section of the gastrointestinal tract comprises the oral cavity, the pharynx and the oesophagus.

The upper gastrointestinal tract

During swallowing food travels from the mouth cavity into the stomach.

Voice production

When producing sound, the vocal cords are vibrated by the air flowing out of the lung.

What kind of food should be on your plate?

This animation helps you learn the basics of healthy eating.

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