Quiz 4 - Mixed Dentition Flashcards
When is the mouth edentulous?
6-8 months
When do primary teeth erupt?
6 months - 2 years
When are all primary teeth present?
2-6 years
When is a mixed dentition present?
6-12 years
When are only adult teeth present?
After 12 years
What is the process of shedding called?
Exfoliation
Define root resportion.
The gradual dissolving away of the root due to underlying eruption of permanent teeth
What is an eruption cyst/hematoma?
Bluish, fluid filled swelling that occurs over an erupting tooth
How can we identify which teeth are primary and permanent?
-Identify age
-Identify 6/12 year molars
-Count from midline
-Compare size
-Look across arch
-X-rays
When do Maxillary central incisors erupt?
8-12 months
When do maxillary lateral incisors erupt?
9-13 months
When do maxillary canines erupt?
16-22 months
When do maxillary first molars erupt?
13-19 months
When do maxillary second molars erupt?
25-33 months
When do maxillary central incisors shed?
6-7 years
When do maxillary lateral incisors shed?
7-8 years
When do maxillary canines shed?
10-12 years
When do maxillary first molars shed?
9-11 years
When do maxillary second molars shed?
10-12 years
When do mandibular central incisors erupt?
6-10 months
When do mandibular lateral incisors erupt?
10-16 months
When do mandibular canines erupt?
17-23 months
When do mandibular second molars erupt?
23-31 months
When do mandibular central incisors shed?
6-7 years
When do mandibular lateral incisors shed?
7-8 years
When do mandibular canines shed?
9-12 years
When do mandibular first molars shed?
9-11 years
When do mandibular second molars shed?
10-12 years
How does shedding/exfoliation occur?
The permanent tooth moves occlusally and begins to resorb the primary tooth root
