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Medical related 3D models on Flatpyramid – the teeth category.
The tooth consists predominantly of a dentin with a cavity covered with enamel on the outside. The tooth has a characteristic shape and structure, occupies a certain position in the dentition, is built from special tissues, has its own nervous apparatus, blood, and lymphatic vessels. Inside the tooth is loose connective tissue, riddled with nerves and blood vessels (pulp).
Normally, a person has from 28 to 32 teeth. There are milk and permanent teeth – temporary and permanent bite.
In the temporary bite there are 8 incisors, 4 canines and 8 molars – a total of 20 teeth. In children, they begin to erupt at the age of 3 months. In the period from 6 to 13 years, milk teeth are gradually replaced by permanent ones.
The permanent bite consists of 8 incisors, 4 canines, 8 premolars and 8-12 molars. In rare cases, there are additional, complementary teeth (both dairy and permanent). The absence of third molars, called “wisdom teeth” is the norm, and the third molars themselves are already considered an atavism by an increasing number of scientists, but this is currently a controversial issue.