|
Patient ID
|
Age and dentition
|
1. permanent molars are most frequently affected
|
2. teeth distal to a PFE-affected molar are also affected
|
3. supracrestal presentation (eruption pathway completely clear)
|
4. there is a reduction of vertical growth of the alveolar bone in the affected regions
|
5. a lateral open bite is present in the affected regions
|
6. deciduous infraoccluded in mixed dentition
|
7. asymmetry due to bilaterally unbalanced eruption of the teeth
|
8. affected individual presents with a bi-lateral affection of PFE
|
9. affected molars are located in the basal bone of the jaws
|
10. affected molars show dilacerated roots
|
|---|
|
1
|
18 perm
|
x
| |
x
| |
x
| |
x
| | | |
|
2*
|
8 mix
|
x
|
x
|
x
| |
x
|
x
| |
x
| |
x
|
|
6
|
8 mix
|
x
|
x
|
x
| |
x
| | |
x
| |
x
|
|
7
|
8 mix
|
x
| |
x
|
x
|
x
|
x
| | | |
x
|
|
8*
|
16 mix
|
x
|
x
|
x
| |
x
|
x
|
x
| | |
x
|
|
9
|
8 mix
|
x
| |
x
|
x
|
x
| |
x
| |
x
| |
|
10*
|
17 perm
|
x
|
x
|
x
|
x
|
x
| |
x
|
x
|
x
| |
|
13
|
12 perm
|
x
| |
x
| | | | |
x
|
x
| |
|
18
|
6 mix
|
x
| |
x
| |
x
|
x
|
x
|
x
| | |
|
22
|
17 perm
|
x
| |
x
| |
x
| |
x
| | | |
|
24
|
11 mix
|
x
| |
x
| |
x
|
x
| |
x
| | |
|
30
|
14 perm
|
x
| |
x
| | | |
x
| | | |
|
72
|
12 perm
|
x
|
x
|
x
|
x
| | |
x
| |
x
|
x
|
|
20
|
12 mix
|
x
| |
x
| | | | | | | |
|
23
|
15 perm
|
x
| |
x
| | | |
x
| |
x
| |
|
37
|
8 mix
| | |
x
| |
x
|
x dec. only
| | | | |
|
43
|
12 perm
| | |
x
| | | | | | | |
|
47
|
7 mix
| | |
x
| | |
x dec. only
|
x
| | | |
|
49
|
10 mix
| | |
x
| | |
x dec. only
| | | | |
- The hallmark signs (key PFE traits) are italics and listed first, from 1 to 6
- Patients marked by * showed at least 5 hallmark signs
