A P P L I C A T I O N
E N
29
Detailed minimum wall thicknesses and connector cross-sections
O
Abutment crown
X
Bridge unit
Indication
Pat-
tern
Total
number
of units
Number of
connected
bridge units
Wall thickness
in mm
Connector
cross-
section
in mm
2
incisal/
occlusal circular
Primary
compo-
nents/dou-
ble crowns
–
1
–
0.7
0.5
–
Single
crown
–
1
–
0.5
0.5
–
Front-tooth
bridge
OXO
3
1
0.5
0.5
> 7
OXXO
OXXXO
4
5
2
3
0.7
0.5
> 9
Posterior
bridge
OXO
3
1
0.7
0.5
> 9
OXXO
4
2
1.0
0.7
> 12
Cantilever
bridge
OOX
OOOX
3
4
Free-end
pontic
1.0
0.7
> 12
OXOX
4
1 + free-end
pontic
1.0
0.7
> 12
