Zobu 3D modeļi

Parādot visas 9 rezultātus

Ar medicīnu saistītie 3D modeļi Flatpyramid – the teeth category.

Zobu pārsvarā veido dentīns ar dobumu, kas ārpuses pārklāts ar emalju. Zobam ir raksturīga forma un struktūra, tā ieņem noteiktu vietu zobu protēcijā, ir veidota no īpašiem audiem, ir savs nervu aparāts, asinis un limfātiskie kuģi. Zobu iekšpusē ir vaļīgs saistaudu audums, kas satveras ar nerviem un asinsvadiem (celuloze).

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.