| |
Studya
|
Sum of studies
|
Sum of separate treated groups
|
|---|
|
Abdelnaby and Nassar, 2010a [[10]]
|
Abdelnaby and Nassar, 2010b [[10]]
|
Altuğ et al., 1989[[16]]
|
Barrett et al., 2010a[[9]]
|
Barrett et al., 2010b[[9]]
|
Gökalp and Kurt, 2005[[11]]
|
Tuncer et al., 2009[[13]]
|
|---|
|
Force level of the chin cup
|
Heavy
|
Light
|
Not specified
|
Light
|
Light
|
Heavy
|
Light
|
|---|
|
Additional appliance used
|
Bite plane
|
Bite plane
|
No
|
No
|
Quad helix
|
No
|
Bite plane
|
|---|
|
SNA (°)
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
5
|
7
|
|
SNB (°)
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
5
|
7
|
|
ANB (°)
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
5
|
7
|
|
Wits appraisal (mm)
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
No
|
No
|
3
|
5
|
|
Co-Gn (mm)
|
No
|
No
|
No
|
Yes
|
Yes
|
Yes
|
Yes
|
3
|
4
|
|
SN-ML (°)
|
Yes
|
Yes
|
Yes
|
No
|
No
|
Yes
|
Yes
|
3
|
5
|
|
Gonial angle (°)
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
No
|
4
|
6
|
|
N-Me (mm)
|
Yes
|
Yes
|
No
|
No
|
No
|
No
|
Yes
|
2
|
3
|
|
UFH (mm)
|
No
|
No
|
No
|
Yes
|
Yes
|
No
|
Yes
|
2
|
3
|
|
LAFH (mm)
|
No
|
No
|
No
|
Yes
|
Yes
|
No
|
Yes
|
2
|
3
|
|
Co-Go (mm)
|
No
|
No
|
No
|
Yes
|
Yes
|
Yes
|
No
|
2
|
3
|
|
Overjet (mm)
|
No
|
No
|
No
|
Yes
|
Yes
|
Yes
|
No
|
2
|
3
|
|
Overbite (mm)
|
No
|
No
|
No
|
Yes
|
Yes
|
Yes
|
No
|
2
|
3
|
-
aAuthors in alphabetical order.
