estimating age range Flashcards
1
Q
age categories
A
subadult = <18 years adult = >18 years
2
Q
subadult age ranges
A
fetus (0-40 weeks) neonate (~40 weeks) infant (birth-1 year) young child (2-4 years) older child (5-12 years) teen-transition (13-18)
3
Q
age estimation methods: fetal to ~12 years old
A
can be off 0.5 to 2 years
4
Q
dental development and eruption
A
crown –> root –> apex
5
Q
ossification
A
- primary & secondary ossification centers
* *RARE
6
Q
epiphyseal union
A
- all epiphyses
* *sex dependent
7
Q
vertebral ring epiphyses
A
-fuse between 14-20 years
8
Q
medial clavicle epiphysis
A
fuses between 17-23 years
9
Q
iliac crest
A
fuses between 14-18 years
10
Q
3rd molar development
A
18+
11
Q
adult age (18+ years)
A
- young adult (18-30)
- mature adult (30-50)
- older adult (50+)
**past 18 years, techniques based on degenerative features
12
Q
problems with age estimation methods in 18+
A
- lifestyle (drug/alcohol abuse)
- activity level
- diet
- disease
- genetic predisposition
**can be off by 7-15 years
13
Q
pubic symphysis (pubic face)
A
young (ridges/furrows) –> old (flat)
**only good adults 18-40 years
sex dependent
14
Q
auricular surface
A
young (billowing/striae) –> old (flat/porous)
15
Q
sternal rib end
A
smooth –> deteriorating
