Mondo Knows Facts
An adult human set of permanent teeth numbers thirty-two
Incisors canines premolars and molars chew and break down food mechanically
A complete set of adult permanent teeth contains 32 teeth, including eight incisors, four canines, eight premolars, and 12 molars (including four wisdom teeth). These teeth replace the 20 primary milk teeth lost during childhood.
Where this comes from
Facts that can change over time are reviewed and updated. If something here looks wrong, Mondo would rather know than be confidently incorrect.
Go further
More facts like this
The human body produces over one litre of saliva every daySalivary glands secrete fluid continuously to moisten food and begin digestionTooth enamel is the hardest substance in the human bodyDense hydroxyapatite crystal mineral matrix protects inner dentin layersEach human kidney contains roughly one million microscopic nephronsFunctional nephron units use glomeruli and tubules to produce urineWrinkles in the brain dramatically increase its surface areaFolds called gyri and grooves called sulci fit a large cortex inside the skullThe right lung is larger than the left lungThe left lung features two lobes instead of three to make room for the heartThe narwhal tusk is actually an overgrown canine toothA narwhal spiral tusk contains millions of sensitive nerve endings.
Tags: teeth, mouth, anatomy
An adult human set of permanent teeth numbers thirty-two: the short answers
- Where does this come from, and can I check it?
- Incisors canines premolars and molars chew and break down food mechanically. The figure is taken from MedlinePlus, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
- Is this really a human body fact?
- Yes. It sits on the Human Body shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
- What else can I read about it?
- The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.