Development of permanent teeth
Both baby and permanent teeth have fairly well-defined times of eruption. The ages listed are the typical ages that an adult tooth has fully emerged.
UPPER and LOWER | ERUPTS BY |
Central incisor | 7th Yr |
Lateral incisor | 8th Yr |
Canine (Cuspid) | 11-12th Yr |
First premolar (Bicuspid) | 9th Yr |
Second premolar(Bicuspid) | 10th Yr |
First molar | 6th Yr |
Second molar | 12-13th Yr |
Third molar | 17-25th Yr |
EDIZIONI DI PUBBLICO DOMINIO (HTML)
- Alighieri - La Divina Commedia
RISORSE DAL WEB:
Encyclopaedia Britannica 1911 - PDF
Project Gutenberg: DVD-ROM 2007
Wikipedia for Schools - ENGLISH
Wikipedia for Schools - FRENCH
Wikipedia for Schools - SPANISH