Development and Eruption Flashcards
Mandibular teeth generally erupt toward the _______. Maxillary generally erupt toward the _______
Mandibular teeth generally erupt toward the lingual. Maxillary generally erupt toward the buccal
Which tooth is the first tooth to erupt?
Which is the first succedaneous tooth?
Mandibular 1st molar
Mandibular central
Rule of 4
Four teeth erupt every 4 months starting with four teeth at month 7.
Mixed dentition generally begins when
First mandibular primary molars erupt at age 6
When do primary teeth begin to calcify?
4-6 month in utero
All primary crowns are completely calcified by…
12 months of age and maxillary centrals have begun to calcify.
At birth permanent molars begin to calcify and are completed by age
3
By _______ months maxillary centrals, canines, and mandibular anteriors have begun to calcify.
6
All succedaneous teeth have begun to calcify by age _______ and the crowns are completed by age _______
2.5
7
When is the root of permanent teeth fully developed?
2-3 years after eruption
Primary teeth are fully formed about _______ year after eruption and roots are fully calcified by age _______
1
3-4
